28345875

素因数分解:

$3^1\times 5^3\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 47511360

約数和(自身を除く): 19165485

約数列:

[1, 3, 5, 15, 25, 75, 125, 269, 281, 375, 807, 843, 1345, 1405, 4035, 4215, 6725, 7025, 20175, 21075, 33625, 35125, 75589, 100875, 105375, 226767, 377945, 1133835, 1889725, 5669175, 9448625, 28345875]

約数ペア:

[(1, 28345875), (3, 9448625), (5, 5669175), (15, 1889725), (25, 1133835), (75, 377945), (125, 226767), (269, 105375), (281, 100875), (375, 75589), (807, 35125), (843, 33625), (1345, 21075), (1405, 20175), (4035, 7025), (4215, 6725)]