27680175

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2861}}^1$

素因数の和:2920

約数の個数: 36

約数和(自身を含む): 50748984

約数和(自身を除く): 23068809

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2861, 3225, 8583, 9675, 14305, 25749, 42915, 71525, 123023, 128745, 214575, 369069, 615115, 643725, 1107207, 1845345, 3075575, 5536035, 9226725, 27680175]

約数ペア:

[(1, 27680175), (3, 9226725), (5, 5536035), (9, 3075575), (15, 1845345), (25, 1107207), (43, 643725), (45, 615115), (75, 369069), (129, 214575), (215, 128745), (225, 123023), (387, 71525), (645, 42915), (1075, 25749), (1935, 14305), (2861, 9675), (3225, 8583)]