28091217

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121607}}^1$

素因数の和:121628

約数の個数: 16

約数和(自身を含む): 46697472

約数和(自身を除く): 18606255

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 121607, 364821, 851249, 1337677, 2553747, 4013031, 9363739, 28091217]

約数ペア:

[(1, 28091217), (3, 9363739), (7, 4013031), (11, 2553747), (21, 1337677), (33, 851249), (77, 364821), (231, 121607)]