25220187

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{6269}}^1$

素因数の和:6427

約数の個数: 16

約数和(自身を含む): 37620000

約数和(自身を除く): 12399813

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 6269, 18807, 56421, 169263, 934081, 2802243, 8406729, 25220187]

約数ペア:

[(1, 25220187), (3, 8406729), (9, 2802243), (27, 934081), (149, 169263), (447, 56421), (1341, 18807), (4023, 6269)]