172080405

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{78041}}^1$

素因数の和:78066

約数の個数: 36

約数和(自身を含む): 346974732

約数和(自身を除く): 174894327

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 78041, 234123, 390205, 546287, 702369, 1170615, 1638861, 2731435, 3511845, 3824009, 4916583, 8194305, 11472027, 19120045, 24582915, 34416081, 57360135, 172080405]

約数ペア:

[(1, 172080405), (3, 57360135), (5, 34416081), (7, 24582915), (9, 19120045), (15, 11472027), (21, 8194305), (35, 4916583), (45, 3824009), (49, 3511845), (63, 2731435), (105, 1638861), (147, 1170615), (245, 702369), (315, 546287), (441, 390205), (735, 234123), (2205, 78041)]