28578051

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 42166800

約数和(自身を除く): 13588749

約数列:

[1, 3, 9, 101, 149, 211, 303, 447, 633, 909, 1341, 1899, 15049, 21311, 31439, 45147, 63933, 94317, 135441, 191799, 282951, 3175339, 9526017, 28578051]

約数ペア:

[(1, 28578051), (3, 9526017), (9, 3175339), (101, 282951), (149, 191799), (211, 135441), (303, 94317), (447, 63933), (633, 45147), (909, 31439), (1341, 21311), (1899, 15049)]