28543491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 15485949

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 2351, 4047, 7053, 12141, 21159, 44669, 134007, 166921, 402021, 500763, 1502289, 3171499, 9514497, 28543491]

約数ペア:

[(1, 28543491), (3, 9514497), (9, 3171499), (19, 1502289), (57, 500763), (71, 402021), (171, 166921), (213, 134007), (639, 44669), (1349, 21159), (2351, 12141), (4047, 7053)]