129122637

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 203718912

約数和(自身を除く): 74596275

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 777, 959, 1213, 2877, 3639, 5069, 8491, 15207, 25473, 35483, 44881, 106449, 134643, 166181, 314167, 498543, 942501, 1163267, 3489801, 6148697, 18446091, 43040879, 129122637]

約数ペア:

[(1, 129122637), (3, 43040879), (7, 18446091), (21, 6148697), (37, 3489801), (111, 1163267), (137, 942501), (259, 498543), (411, 314167), (777, 166181), (959, 134643), (1213, 106449), (2877, 44881), (3639, 35483), (5069, 25473), (8491, 15207)]