15105405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 27777024

約数和(自身を除く): 12671619

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 263, 547, 789, 1315, 1641, 1841, 2735, 3829, 3945, 5523, 8205, 9205, 11487, 19145, 27615, 57435, 143861, 431583, 719305, 1007027, 2157915, 3021081, 5035135, 15105405]

約数ペア:

[(1, 15105405), (3, 5035135), (5, 3021081), (7, 2157915), (15, 1007027), (21, 719305), (35, 431583), (105, 143861), (263, 57435), (547, 27615), (789, 19145), (1315, 11487), (1641, 9205), (1841, 8205), (2735, 5523), (3829, 3945)]