2558775

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 4282960

約数和(自身を除く): 1724185

約数列:

[1, 3, 5, 15, 25, 75, 109, 313, 327, 545, 939, 1565, 1635, 2725, 4695, 7825, 8175, 23475, 34117, 102351, 170585, 511755, 852925, 2558775]

約数ペア:

[(1, 2558775), (3, 852925), (5, 511755), (15, 170585), (25, 102351), (75, 34117), (109, 23475), (313, 8175), (327, 7825), (545, 4695), (939, 2725), (1565, 1635)]