1991232358569

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{26007763}}^1$

素因数の和:26007997

約数の個数: 24

約数和(自身を含む): 2953649741952

約数和(自身を除く): 962417383383

約数列:

[1, 3, 9, 47, 141, 181, 423, 543, 1629, 8507, 25521, 76563, 26007763, 78023289, 234069867, 1222364861, 3667094583, 4707405103, 11001283749, 14122215309, 42366645927, 221248039841, 663744119523, 1991232358569]

約数ペア:

[(1, 1991232358569), (3, 663744119523), (9, 221248039841), (47, 42366645927), (141, 14122215309), (181, 11001283749), (423, 4707405103), (543, 3667094583), (1629, 1222364861), (8507, 234069867), (25521, 78023289), (76563, 26007763)]