28018335

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2887}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 44914176

約数和(自身を除く): 16895841

約数列:

[1, 3, 5, 15, 647, 1941, 2887, 3235, 8661, 9705, 14435, 43305, 1867889, 5603667, 9339445, 28018335]

約数ペア:

[(1, 28018335), (3, 9339445), (5, 5603667), (15, 1867889), (647, 43305), (1941, 14435), (2887, 9705), (3235, 8661)]