171657225

素因数分解:

$3^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:948

約数の個数: 60

約数和(自身を含む): 321445696

約数和(自身を除く): 149788471

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 103, 135, 225, 309, 405, 515, 675, 823, 927, 1545, 2025, 2469, 2575, 2781, 4115, 4635, 7407, 7725, 8343, 12345, 13905, 20575, 22221, 23175, 37035, 41715, 61725, 66663, 69525, 84769, 111105, 185175, 208575, 254307, 333315, 423845, 555525, 762921, 1271535, 1666575, 2119225, 2288763, 3814605, 6357675, 6866289, 11443815, 19073025, 34331445, 57219075, 171657225]

約数ペア:

[(1, 171657225), (3, 57219075), (5, 34331445), (9, 19073025), (15, 11443815), (25, 6866289), (27, 6357675), (45, 3814605), (75, 2288763), (81, 2119225), (103, 1666575), (135, 1271535), (225, 762921), (309, 555525), (405, 423845), (515, 333315), (675, 254307), (823, 208575), (927, 185175), (1545, 111105), (2025, 84769), (2469, 69525), (2575, 66663), (2781, 61725), (4115, 41715), (4635, 37035), (7407, 23175), (7725, 22221), (8343, 20575), (12345, 13905)]