16921395

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10163}}^1$

素因数の和:10211

約数の個数: 24

約数和(自身を含む): 30126096

約数和(自身を除く): 13204701

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 10163, 30489, 50815, 91467, 152445, 376031, 457335, 1128093, 1880155, 3384279, 5640465, 16921395]

約数ペア:

[(1, 16921395), (3, 5640465), (5, 3384279), (9, 1880155), (15, 1128093), (37, 457335), (45, 376031), (111, 152445), (185, 91467), (333, 50815), (555, 30489), (1665, 10163)]