391988157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2749}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 594000000

約数和(自身を除く): 202011843

約数列:

[1, 3, 11, 29, 33, 87, 149, 319, 447, 957, 1639, 2749, 4321, 4917, 8247, 12963, 30239, 47531, 79721, 90717, 142593, 239163, 409601, 876931, 1228803, 2630793, 4505611, 11878429, 13516833, 35635287, 130662719, 391988157]

約数ペア:

[(1, 391988157), (3, 130662719), (11, 35635287), (29, 13516833), (33, 11878429), (87, 4505611), (149, 2630793), (319, 1228803), (447, 876931), (957, 409601), (1639, 239163), (2749, 142593), (4321, 90717), (4917, 79721), (8247, 47531), (12963, 30239)]