28189491

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 41879040

約数和(自身を除く): 13689549

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 869, 983, 2607, 2949, 9559, 10813, 28677, 32439, 77657, 118943, 232971, 356829, 854227, 2562681, 9396497, 28189491]

約数ペア:

[(1, 28189491), (3, 9396497), (11, 2562681), (33, 854227), (79, 356829), (121, 232971), (237, 118943), (363, 77657), (869, 32439), (983, 28677), (2607, 10813), (2949, 9559)]