2157135

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4678

約数の個数: 16

約数和(自身を含む): 3563520

約数和(自身を除く): 1406385

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 4639, 13917, 23195, 69585, 143809, 431427, 719045, 2157135]

約数ペア:

[(1, 2157135), (3, 719045), (5, 431427), (15, 143809), (31, 69585), (93, 23195), (155, 13917), (465, 4639)]