28857735

素因数分解:

$3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 51629760

約数和(自身を除く): 22772025

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 181, 543, 905, 1181, 1629, 2715, 3543, 4887, 5905, 8145, 10629, 17715, 24435, 31887, 53145, 159435, 213761, 641283, 1068805, 1923849, 3206415, 5771547, 9619245, 28857735]

約数ペア:

[(1, 28857735), (3, 9619245), (5, 5771547), (9, 3206415), (15, 1923849), (27, 1068805), (45, 641283), (135, 213761), (181, 159435), (543, 53145), (905, 31887), (1181, 24435), (1629, 17715), (2715, 10629), (3543, 8145), (4887, 5905)]