201818925

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 467053440

約数和(自身を除く): 265234515

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 99, 105, 121, 135, 165, 175, 189, 225, 231, 275, 297, 315, 353, 363, 385, 495, 525, 605, 675, 693, 825, 847, 945, 1059, 1089, 1155, 1485, 1575, 1765, 1815, 1925, 2079, 2471, 2475, 2541, 3025, 3177, 3267, 3465, 3883, 4235, 4725, 5295, 5445, 5775, 7413, 7425, 7623, 8825, 9075, 9531, 10395, 11649, 12355, 12705, 15885, 16335, 17325, 19415, 21175, 22239, 22869, 26475, 27181, 27225, 34947, 37065, 38115, 42713, 47655, 51975, 58245, 61775, 63525, 66717, 79425, 81543, 81675, 97075, 104841, 111195, 114345, 128139, 135905, 174735, 185325, 190575, 213565, 238275, 244629, 291225, 298991, 333585, 384417, 407715, 524205, 555975, 571725, 640695, 679525, 733887, 873675, 896973, 1067825, 1153251, 1223145, 1494955, 1667925, 1922085, 2038575, 2621025, 2690919, 3203475, 3669435, 4484865, 5766255, 6115725, 7474775, 8072757, 9610425, 13454595, 18347175, 22424325, 28831275, 40363785, 67272975, 201818925]

約数ペア:

[(1, 201818925), (3, 67272975), (5, 40363785), (7, 28831275), (9, 22424325), (11, 18347175), (15, 13454595), (21, 9610425), (25, 8072757), (27, 7474775), (33, 6115725), (35, 5766255), (45, 4484865), (55, 3669435), (63, 3203475), (75, 2690919), (77, 2621025), (99, 2038575), (105, 1922085), (121, 1667925), (135, 1494955), (165, 1223145), (175, 1153251), (189, 1067825), (225, 896973), (231, 873675), (275, 733887), (297, 679525), (315, 640695), (353, 571725), (363, 555975), (385, 524205), (495, 407715), (525, 384417), (605, 333585), (675, 298991), (693, 291225), (825, 244629), (847, 238275), (945, 213565), (1059, 190575), (1089, 185325), (1155, 174735), (1485, 135905), (1575, 128139), (1765, 114345), (1815, 111195), (1925, 104841), (2079, 97075), (2471, 81675), (2475, 81543), (2541, 79425), (3025, 66717), (3177, 63525), (3267, 61775), (3465, 58245), (3883, 51975), (4235, 47655), (4725, 42713), (5295, 38115), (5445, 37065), (5775, 34947), (7413, 27225), (7425, 27181), (7623, 26475), (8825, 22869), (9075, 22239), (9531, 21175), (10395, 19415), (11649, 17325), (12355, 16335), (12705, 15885)]