156977289

素因数分解:

$3^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{2207}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 259484160

約数和(自身を除く): 102506871

約数列:

[1, 3, 7, 9, 21, 63, 1129, 2207, 3387, 6621, 7903, 10161, 15449, 19863, 23709, 46347, 71127, 139041, 2491703, 7475109, 17441921, 22425327, 52325763, 156977289]

約数ペア:

[(1, 156977289), (3, 52325763), (7, 22425327), (9, 17441921), (21, 7475109), (63, 2491703), (1129, 139041), (2207, 71127), (3387, 46347), (6621, 23709), (7903, 19863), (10161, 15449)]