2640975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 4559232

約数和(自身を除く): 1918257

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1531, 1725, 4593, 7655, 22965, 35213, 38275, 105639, 114825, 176065, 528195, 880325, 2640975]

約数ペア:

[(1, 2640975), (3, 880325), (5, 528195), (15, 176065), (23, 114825), (25, 105639), (69, 38275), (75, 35213), (115, 22965), (345, 7655), (575, 4593), (1531, 1725)]