81241755

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{110533}}^1$

素因数の和:110555

約数の個数: 24

約数和(自身を含む): 151210512

約数和(自身を除く): 69968757

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 110533, 331599, 552665, 773731, 1657995, 2321193, 3868655, 5416117, 11605965, 16248351, 27080585, 81241755]

約数ペア:

[(1, 81241755), (3, 27080585), (5, 16248351), (7, 11605965), (15, 5416117), (21, 3868655), (35, 2321193), (49, 1657995), (105, 773731), (147, 552665), (245, 331599), (735, 110533)]