31202025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 22752855

約数列:

[1, 3, 5, 15, 25, 41, 73, 75, 123, 139, 205, 219, 365, 417, 615, 695, 1025, 1095, 1825, 2085, 2993, 3075, 3475, 5475, 5699, 8979, 10147, 10425, 14965, 17097, 28495, 30441, 44895, 50735, 74825, 85485, 142475, 152205, 224475, 253675, 416027, 427425, 761025, 1248081, 2080135, 6240405, 10400675, 31202025]

約数ペア:

[(1, 31202025), (3, 10400675), (5, 6240405), (15, 2080135), (25, 1248081), (41, 761025), (73, 427425), (75, 416027), (123, 253675), (139, 224475), (205, 152205), (219, 142475), (365, 85485), (417, 74825), (615, 50735), (695, 44895), (1025, 30441), (1095, 28495), (1825, 17097), (2085, 14965), (2993, 10425), (3075, 10147), (3475, 8979), (5475, 5699)]