161106813

素因数分解:

$3^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 56

約数和(自身を含む): 279318336

約数和(自身を除く): 118211523

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 241, 243, 393, 567, 723, 729, 917, 1179, 1687, 1701, 2169, 2751, 3537, 5061, 5103, 6507, 8253, 10611, 15183, 19521, 24759, 31571, 31833, 45549, 58563, 74277, 94713, 95499, 136647, 175689, 220997, 222831, 284139, 409941, 662991, 668493, 852417, 1229823, 1988973, 2557251, 5966919, 7671753, 17900757, 23015259, 53702271, 161106813]

約数ペア:

[(1, 161106813), (3, 53702271), (7, 23015259), (9, 17900757), (21, 7671753), (27, 5966919), (63, 2557251), (81, 1988973), (131, 1229823), (189, 852417), (241, 668493), (243, 662991), (393, 409941), (567, 284139), (723, 222831), (729, 220997), (917, 175689), (1179, 136647), (1687, 95499), (1701, 94713), (2169, 74277), (2751, 58563), (3537, 45549), (5061, 31833), (5103, 31571), (6507, 24759), (8253, 19521), (10611, 15183)]