219045225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 438575104

約数和(自身を除く): 219529879

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 43, 75, 93, 105, 129, 155, 175, 215, 217, 301, 313, 465, 525, 645, 651, 775, 903, 939, 1075, 1085, 1333, 1505, 1565, 2191, 2325, 3225, 3255, 3999, 4515, 4695, 5425, 6573, 6665, 7525, 7825, 9331, 9703, 10955, 13459, 16275, 19995, 22575, 23475, 27993, 29109, 32865, 33325, 40377, 46655, 48515, 54775, 67295, 67921, 94213, 99975, 139965, 145545, 164325, 201885, 203763, 233275, 242575, 282639, 336475, 339605, 417229, 471065, 699825, 727725, 1009425, 1018815, 1251687, 1413195, 1698025, 2086145, 2355325, 2920603, 5094075, 6258435, 7065975, 8761809, 10430725, 14603015, 31292175, 43809045, 73015075, 219045225]

約数ペア:

[(1, 219045225), (3, 73015075), (5, 43809045), (7, 31292175), (15, 14603015), (21, 10430725), (25, 8761809), (31, 7065975), (35, 6258435), (43, 5094075), (75, 2920603), (93, 2355325), (105, 2086145), (129, 1698025), (155, 1413195), (175, 1251687), (215, 1018815), (217, 1009425), (301, 727725), (313, 699825), (465, 471065), (525, 417229), (645, 339605), (651, 336475), (775, 282639), (903, 242575), (939, 233275), (1075, 203763), (1085, 201885), (1333, 164325), (1505, 145545), (1565, 139965), (2191, 99975), (2325, 94213), (3225, 67921), (3255, 67295), (3999, 54775), (4515, 48515), (4695, 46655), (5425, 40377), (6573, 33325), (6665, 32865), (7525, 29109), (7825, 27993), (9331, 23475), (9703, 22575), (10955, 19995), (13459, 16275)]