2697775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:159

約数の個数: 18

約数和(自身を含む): 3512672

約数和(自身を除く): 814897

約数列:

[1, 5, 25, 31, 59, 155, 295, 775, 1475, 1829, 3481, 9145, 17405, 45725, 87025, 107911, 539555, 2697775]

約数ペア:

[(1, 2697775), (5, 539555), (25, 107911), (31, 87025), (59, 45725), (155, 17405), (295, 9145), (775, 3481), (1475, 1829)]