2158725

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 3615840

約数和(自身を除く): 1457115

約数列:

[1, 3, 5, 15, 25, 75, 107, 269, 321, 535, 807, 1345, 1605, 2675, 4035, 6725, 8025, 20175, 28783, 86349, 143915, 431745, 719575, 2158725]

約数ペア:

[(1, 2158725), (3, 719575), (5, 431745), (15, 143915), (25, 86349), (75, 28783), (107, 20175), (269, 8025), (321, 6725), (535, 4035), (807, 2675), (1345, 1605)]