80400231

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 117930384

約数和(自身を除く): 37530153

約数列:

[1, 3, 9, 137, 197, 331, 411, 591, 993, 1233, 1773, 2979, 26989, 45347, 65207, 80967, 136041, 195621, 242901, 408123, 586863, 8933359, 26800077, 80400231]

約数ペア:

[(1, 80400231), (3, 26800077), (9, 8933359), (137, 586863), (197, 408123), (331, 242901), (411, 195621), (591, 136041), (993, 80967), (1233, 65207), (1773, 45347), (2979, 26989)]