28135275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53591}}^1$

素因数の和:53611

約数の個数: 24

約数和(自身を含む): 53163264

約数和(自身を除く): 25027989

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53591, 160773, 267955, 375137, 803865, 1125411, 1339775, 1875685, 4019325, 5627055, 9378425, 28135275]

約数ペア:

[(1, 28135275), (3, 9378425), (5, 5627055), (7, 4019325), (15, 1875685), (21, 1339775), (25, 1125411), (35, 803865), (75, 375137), (105, 267955), (175, 160773), (525, 53591)]