127980123

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{1499}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 172800000

約数和(自身を除く): 44819877

約数列:

[1, 3, 149, 191, 447, 573, 1499, 4497, 28459, 85377, 223351, 286309, 670053, 858927, 42660041, 127980123]

約数ペア:

[(1, 127980123), (3, 42660041), (149, 858927), (191, 670053), (447, 286309), (573, 223351), (1499, 85377), (4497, 28459)]