2021693985

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:900

約数の個数: 80

約数和(自身を含む): 3760796160

約数和(自身を除く): 1739102175

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 283, 405, 465, 569, 837, 849, 1395, 1415, 1707, 2511, 2547, 2845, 4185, 4245, 5121, 7641, 8535, 8773, 12555, 12735, 15363, 17639, 22923, 25605, 26319, 38205, 43865, 46089, 52917, 76815, 78957, 88195, 114615, 131595, 158751, 161027, 230445, 236871, 264585, 394785, 476253, 483081, 710613, 793755, 805135, 1184355, 1428759, 1449243, 2381265, 2415405, 3553065, 4347729, 4991837, 7143795, 7246215, 13043187, 14975511, 21738645, 24959185, 44926533, 65215935, 74877555, 134779599, 224632665, 404338797, 673897995, 2021693985]

約数ペア:

[(1, 2021693985), (3, 673897995), (5, 404338797), (9, 224632665), (15, 134779599), (27, 74877555), (31, 65215935), (45, 44926533), (81, 24959185), (93, 21738645), (135, 14975511), (155, 13043187), (279, 7246215), (283, 7143795), (405, 4991837), (465, 4347729), (569, 3553065), (837, 2415405), (849, 2381265), (1395, 1449243), (1415, 1428759), (1707, 1184355), (2511, 805135), (2547, 793755), (2845, 710613), (4185, 483081), (4245, 476253), (5121, 394785), (7641, 264585), (8535, 236871), (8773, 230445), (12555, 161027), (12735, 158751), (15363, 131595), (17639, 114615), (22923, 88195), (25605, 78957), (26319, 76815), (38205, 52917), (43865, 46089)]