28231155

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4789}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 49317840

約数和(自身を除く): 21086685

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 4789, 5895, 14367, 23945, 43101, 71835, 215505, 627359, 1882077, 3136795, 5646231, 9410385, 28231155]

約数ペア:

[(1, 28231155), (3, 9410385), (5, 5646231), (9, 3136795), (15, 1882077), (45, 627359), (131, 215505), (393, 71835), (655, 43101), (1179, 23945), (1965, 14367), (4789, 5895)]