28668231

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 42685760

約数和(自身を除く): 14017529

約数列:

[1, 3, 9, 61, 79, 183, 237, 549, 661, 711, 1983, 4819, 5949, 14457, 40321, 43371, 52219, 120963, 156657, 362889, 469971, 3185359, 9556077, 28668231]

約数ペア:

[(1, 28668231), (3, 9556077), (9, 3185359), (61, 469971), (79, 362889), (183, 156657), (237, 120963), (549, 52219), (661, 43371), (711, 40321), (1983, 14457), (4819, 5949)]