15256215

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8720

約数の個数: 32

約数和(自身を含む): 29211840

約数和(自身を除く): 13955625

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 8693, 26079, 43465, 78237, 113009, 130395, 234711, 339027, 391185, 565045, 1017081, 1173555, 1695135, 3051243, 5085405, 15256215]

約数ペア:

[(1, 15256215), (3, 5085405), (5, 3051243), (9, 1695135), (13, 1173555), (15, 1017081), (27, 565045), (39, 391185), (45, 339027), (65, 234711), (117, 130395), (135, 113009), (195, 78237), (351, 43465), (585, 26079), (1755, 8693)]