28251819

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 42556800

約数和(自身を除く): 14304981

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 929, 981, 2787, 3379, 8361, 10137, 28799, 30411, 86397, 101261, 259191, 303783, 911349, 3139091, 9417273, 28251819]

約数ペア:

[(1, 28251819), (3, 9417273), (9, 3139091), (31, 911349), (93, 303783), (109, 259191), (279, 101261), (327, 86397), (929, 30411), (981, 28799), (2787, 10137), (3379, 8361)]