28146249

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 41496000

約数和(自身を除く): 13349751

約数列:

[1, 3, 9, 139, 149, 151, 417, 447, 453, 1251, 1341, 1359, 20711, 20989, 22499, 62133, 62967, 67497, 186399, 188901, 202491, 3127361, 9382083, 28146249]

約数ペア:

[(1, 28146249), (3, 9382083), (9, 3127361), (139, 202491), (149, 188901), (151, 186399), (417, 67497), (447, 62967), (453, 62133), (1251, 22499), (1341, 20989), (1359, 20711)]