13821555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 24300288

約数和(自身を除く): 10478733

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 211, 397, 633, 1055, 1191, 1985, 2321, 3165, 4367, 5955, 6963, 11605, 13101, 21835, 34815, 65505, 83767, 251301, 418835, 921437, 1256505, 2764311, 4607185, 13821555]

約数ペア:

[(1, 13821555), (3, 4607185), (5, 2764311), (11, 1256505), (15, 921437), (33, 418835), (55, 251301), (165, 83767), (211, 65505), (397, 34815), (633, 21835), (1055, 13101), (1191, 11605), (1985, 6963), (2321, 5955), (3165, 4367)]