55138815

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 99234720

約数和(自身を除く): 44095905

約数列:

[1, 3, 5, 9, 15, 45, 53, 61, 159, 183, 265, 305, 379, 477, 549, 795, 915, 1137, 1895, 2385, 2745, 3233, 3411, 5685, 9699, 16165, 17055, 20087, 23119, 29097, 48495, 60261, 69357, 100435, 115595, 145485, 180783, 208071, 301305, 346785, 903915, 1040355, 1225307, 3675921, 6126535, 11027763, 18379605, 55138815]

約数ペア:

[(1, 55138815), (3, 18379605), (5, 11027763), (9, 6126535), (15, 3675921), (45, 1225307), (53, 1040355), (61, 903915), (159, 346785), (183, 301305), (265, 208071), (305, 180783), (379, 145485), (477, 115595), (549, 100435), (795, 69357), (915, 60261), (1137, 48495), (1895, 29097), (2385, 23119), (2745, 20087), (3233, 17055), (3411, 16165), (5685, 9699)]