205914915

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{479}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 367960320

約数和(自身を除く): 162045405

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 233, 369, 479, 615, 699, 1165, 1437, 1845, 2097, 2395, 3495, 4311, 7185, 9553, 10485, 19639, 21555, 28659, 47765, 58917, 85977, 98195, 111607, 143295, 176751, 294585, 334821, 429885, 558035, 883755, 1004463, 1674105, 4575887, 5022315, 13727661, 22879435, 41182983, 68638305, 205914915]

約数ペア:

[(1, 205914915), (3, 68638305), (5, 41182983), (9, 22879435), (15, 13727661), (41, 5022315), (45, 4575887), (123, 1674105), (205, 1004463), (233, 883755), (369, 558035), (479, 429885), (615, 334821), (699, 294585), (1165, 176751), (1437, 143295), (1845, 111607), (2097, 98195), (2395, 85977), (3495, 58917), (4311, 47765), (7185, 28659), (9553, 21555), (10485, 19639)]