81615241

素因数分解:

${\mathrm{19}}^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 16

約数和(自身を含む): 87864640

約数和(自身を除く): 6249399

約数列:

[1, 19, 73, 163, 361, 1387, 3097, 6859, 11899, 26353, 58843, 226081, 500707, 1118017, 4295539, 81615241]

約数ペア:

[(1, 81615241), (19, 4295539), (73, 1118017), (163, 500707), (361, 226081), (1387, 58843), (3097, 26353), (6859, 11899)]