28751613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3907}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 42018816

約数和(自身を除く): 13267203

約数列:

[1, 3, 11, 33, 223, 669, 2453, 3907, 7359, 11721, 42977, 128931, 871261, 2613783, 9583871, 28751613]

約数ペア:

[(1, 28751613), (3, 9583871), (11, 2613783), (33, 871261), (223, 128931), (669, 42977), (2453, 11721), (3907, 7359)]