15920025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 14078055

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 839, 1265, 1725, 2517, 3795, 4195, 6325, 9229, 12585, 18975, 19297, 20975, 27687, 46145, 57891, 62925, 96485, 138435, 212267, 230725, 289455, 482425, 636801, 692175, 1061335, 1447275, 3184005, 5306675, 15920025]

約数ペア:

[(1, 15920025), (3, 5306675), (5, 3184005), (11, 1447275), (15, 1061335), (23, 692175), (25, 636801), (33, 482425), (55, 289455), (69, 230725), (75, 212267), (115, 138435), (165, 96485), (253, 62925), (275, 57891), (345, 46145), (575, 27687), (759, 20975), (825, 19297), (839, 18975), (1265, 12585), (1725, 9229), (2517, 6325), (3795, 4195)]