28231785

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6091}}^1$

素因数の和:6205

約数の個数: 24

約数和(自身を含む): 49418304

約数和(自身を除く): 21186519

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 6091, 18273, 30455, 54819, 91365, 274095, 627373, 1882119, 3136865, 5646357, 9410595, 28231785]

約数ペア:

[(1, 28231785), (3, 9410595), (5, 5646357), (9, 3136865), (15, 1882119), (45, 627373), (103, 274095), (309, 91365), (515, 54819), (927, 30455), (1545, 18273), (4635, 6091)]