201989025

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 447828480

約数和(自身を除く): 245839455

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 49, 63, 75, 93, 105, 135, 147, 155, 175, 189, 197, 217, 225, 245, 279, 315, 441, 465, 525, 591, 651, 675, 735, 775, 837, 945, 985, 1085, 1225, 1323, 1379, 1395, 1519, 1575, 1773, 1953, 2205, 2325, 2955, 3255, 3675, 4137, 4185, 4557, 4725, 4925, 5319, 5425, 5859, 6107, 6615, 6895, 6975, 7595, 8865, 9653, 9765, 11025, 12411, 13671, 14775, 16275, 18321, 20685, 20925, 22785, 26595, 28959, 29295, 30535, 33075, 34475, 37233, 37975, 41013, 42749, 44325, 48265, 48825, 54963, 62055, 68355, 86877, 91605, 103425, 113925, 128247, 132975, 144795, 146475, 152675, 164889, 186165, 205065, 213745, 241325, 260631, 274815, 299243, 310275, 341775, 384741, 434385, 458025, 641235, 723975, 824445, 897729, 930825, 1025325, 1068725, 1154223, 1303155, 1374075, 1496215, 1923705, 2171925, 2693187, 3206175, 4122225, 4488645, 5771115, 6515775, 7481075, 8079561, 9618525, 13465935, 22443225, 28855575, 40397805, 67329675, 201989025]

約数ペア:

[(1, 201989025), (3, 67329675), (5, 40397805), (7, 28855575), (9, 22443225), (15, 13465935), (21, 9618525), (25, 8079561), (27, 7481075), (31, 6515775), (35, 5771115), (45, 4488645), (49, 4122225), (63, 3206175), (75, 2693187), (93, 2171925), (105, 1923705), (135, 1496215), (147, 1374075), (155, 1303155), (175, 1154223), (189, 1068725), (197, 1025325), (217, 930825), (225, 897729), (245, 824445), (279, 723975), (315, 641235), (441, 458025), (465, 434385), (525, 384741), (591, 341775), (651, 310275), (675, 299243), (735, 274815), (775, 260631), (837, 241325), (945, 213745), (985, 205065), (1085, 186165), (1225, 164889), (1323, 152675), (1379, 146475), (1395, 144795), (1519, 132975), (1575, 128247), (1773, 113925), (1953, 103425), (2205, 91605), (2325, 86877), (2955, 68355), (3255, 62055), (3675, 54963), (4137, 48825), (4185, 48265), (4557, 44325), (4725, 42749), (4925, 41013), (5319, 37975), (5425, 37233), (5859, 34475), (6107, 33075), (6615, 30535), (6895, 29295), (6975, 28959), (7595, 26595), (8865, 22785), (9653, 20925), (9765, 20685), (11025, 18321), (12411, 16275), (13671, 14775)]