31721193

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3634

約数の個数: 32

約数和(自身を含む): 54865920

約数和(自身を除く): 23144727

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3571, 8883, 10713, 24997, 32139, 74991, 96417, 167837, 224973, 503511, 674919, 1174859, 1510533, 3524577, 4531599, 10573731, 31721193]

約数ペア:

[(1, 31721193), (3, 10573731), (7, 4531599), (9, 3524577), (21, 1510533), (27, 1174859), (47, 674919), (63, 503511), (141, 224973), (189, 167837), (329, 96417), (423, 74991), (987, 32139), (1269, 24997), (2961, 10713), (3571, 8883)]