16662675

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 29283840

約数和(自身を除く): 12621165

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 141, 145, 163, 235, 435, 489, 705, 725, 815, 1175, 1363, 2175, 2445, 3525, 4075, 4089, 4727, 6815, 7661, 12225, 14181, 20445, 22983, 23635, 34075, 38305, 70905, 102225, 114915, 118175, 191525, 222169, 354525, 574575, 666507, 1110845, 3332535, 5554225, 16662675]

約数ペア:

[(1, 16662675), (3, 5554225), (5, 3332535), (15, 1110845), (25, 666507), (29, 574575), (47, 354525), (75, 222169), (87, 191525), (141, 118175), (145, 114915), (163, 102225), (235, 70905), (435, 38305), (489, 34075), (705, 23635), (725, 22983), (815, 20445), (1175, 14181), (1363, 12225), (2175, 7661), (2445, 6815), (3525, 4727), (4075, 4089)]