15931215

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6211}}^1$

素因数の和:6244

約数の個数: 32

約数和(自身を含む): 29817600

約数和(自身を除く): 13886385

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 6211, 18633, 31055, 55899, 93165, 118009, 167697, 279495, 354027, 590045, 838485, 1062081, 1770135, 3186243, 5310405, 15931215]

約数ペア:

[(1, 15931215), (3, 5310405), (5, 3186243), (9, 1770135), (15, 1062081), (19, 838485), (27, 590045), (45, 354027), (57, 279495), (95, 167697), (135, 118009), (171, 93165), (285, 55899), (513, 31055), (855, 18633), (2565, 6211)]