18053475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 33093120

約数和(自身を除く): 15039645

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 79, 165, 237, 275, 277, 395, 825, 831, 869, 1185, 1385, 1975, 2607, 3047, 4155, 4345, 5925, 6925, 9141, 13035, 15235, 20775, 21725, 21883, 45705, 65175, 65649, 76175, 109415, 228525, 240713, 328245, 547075, 722139, 1203565, 1641225, 3610695, 6017825, 18053475]

約数ペア:

[(1, 18053475), (3, 6017825), (5, 3610695), (11, 1641225), (15, 1203565), (25, 722139), (33, 547075), (55, 328245), (75, 240713), (79, 228525), (165, 109415), (237, 76175), (275, 65649), (277, 65175), (395, 45705), (825, 21883), (831, 21725), (869, 20775), (1185, 15235), (1385, 13035), (1975, 9141), (2607, 6925), (3047, 5925), (4155, 4345)]