81516351

素因数分解:

$3^1\times 7^4\times {\mathrm{11317}}^1$

素因数の和:11348

約数の個数: 20

約数和(自身を含む): 126806872

約数和(自身を除く): 45290521

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 11317, 33951, 79219, 237657, 554533, 1663599, 3881731, 11645193, 27172117, 81516351]

約数ペア:

[(1, 81516351), (3, 27172117), (7, 11645193), (21, 3881731), (49, 1663599), (147, 554533), (343, 237657), (1029, 79219), (2401, 33951), (7203, 11317)]