55781511

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{263}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 79896960

約数和(自身を除く): 24115449

約数列:

[1, 3, 19, 57, 61, 183, 263, 789, 1159, 3477, 3721, 4997, 11163, 14991, 16043, 48129, 70699, 212097, 304817, 914451, 978623, 2935869, 18593837, 55781511]

約数ペア:

[(1, 55781511), (3, 18593837), (19, 2935869), (57, 978623), (61, 914451), (183, 304817), (263, 212097), (789, 70699), (1159, 48129), (3477, 16043), (3721, 14991), (4997, 11163)]