157214739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 236171520

約数和(自身を除く): 78956781

約数列:

[1, 3, 11, 33, 37, 111, 331, 389, 407, 993, 1167, 1221, 3641, 4279, 10923, 12247, 12837, 14393, 36741, 43179, 128759, 134717, 158323, 386277, 404151, 474969, 1416349, 4249047, 4764083, 14292249, 52404913, 157214739]

約数ペア:

[(1, 157214739), (3, 52404913), (11, 14292249), (33, 4764083), (37, 4249047), (111, 1416349), (331, 474969), (389, 404151), (407, 386277), (993, 158323), (1167, 134717), (1221, 128759), (3641, 43179), (4279, 36741), (10923, 14393), (12247, 12837)]