28018275

素因数分解:

$3^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{941}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 46489584

約数和(自身を除く): 18471309

約数列:

[1, 3, 5, 15, 25, 75, 397, 941, 1191, 1985, 2823, 4705, 5955, 9925, 14115, 23525, 29775, 70575, 373577, 1120731, 1867885, 5603655, 9339425, 28018275]

約数ペア:

[(1, 28018275), (3, 9339425), (5, 5603655), (15, 1867885), (25, 1120731), (75, 373577), (397, 70575), (941, 29775), (1191, 23525), (1985, 14115), (2823, 9925), (4705, 5955)]