31248225

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4789}}^1$

素因数の和:4834

約数の個数: 36

約数和(自身を含む): 57911100

約数和(自身を除く): 26662875

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 4789, 6525, 14367, 23945, 43101, 71835, 119725, 138881, 215505, 359175, 416643, 694405, 1077525, 1249929, 2083215, 3472025, 6249645, 10416075, 31248225]

約数ペア:

[(1, 31248225), (3, 10416075), (5, 6249645), (9, 3472025), (15, 2083215), (25, 1249929), (29, 1077525), (45, 694405), (75, 416643), (87, 359175), (145, 215505), (225, 138881), (261, 119725), (435, 71835), (725, 43101), (1305, 23945), (2175, 14367), (4789, 6525)]