28237875

素因数分解:

$3^1\times 5^3\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 47331648

約数和(自身を除く): 19093773

約数列:

[1, 3, 5, 15, 25, 75, 125, 257, 293, 375, 771, 879, 1285, 1465, 3855, 4395, 6425, 7325, 19275, 21975, 32125, 36625, 75301, 96375, 109875, 225903, 376505, 1129515, 1882525, 5647575, 9412625, 28237875]

約数ペア:

[(1, 28237875), (3, 9412625), (5, 5647575), (15, 1882525), (25, 1129515), (75, 376505), (125, 225903), (257, 109875), (293, 96375), (375, 75301), (771, 36625), (879, 32125), (1285, 21975), (1465, 19275), (3855, 7325), (4395, 6425)]