28818075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2687}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 55996416

約数和(自身を除く): 27178341

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2687, 3575, 8061, 10725, 13435, 29557, 34931, 40305, 67175, 88671, 104793, 147785, 174655, 201525, 384241, 443355, 523965, 738925, 873275, 1152723, 1921205, 2216775, 2619825, 5763615, 9606025, 28818075]

約数ペア:

[(1, 28818075), (3, 9606025), (5, 5763615), (11, 2619825), (13, 2216775), (15, 1921205), (25, 1152723), (33, 873275), (39, 738925), (55, 523965), (65, 443355), (75, 384241), (143, 201525), (165, 174655), (195, 147785), (275, 104793), (325, 88671), (429, 67175), (715, 40305), (825, 34931), (975, 29557), (2145, 13435), (2687, 10725), (3575, 8061)]