51111990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3761}}^1$

素因数の和:3925

約数の個数: 48

約数和(自身を含む): 133806816

約数和(自身を除く): 82694826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1510, 2265, 2718, 3761, 4530, 6795, 7522, 11283, 13590, 18805, 22566, 33849, 37610, 56415, 67698, 112830, 169245, 338490, 567911, 1135822, 1703733, 2839555, 3407466, 5111199, 5679110, 8518665, 10222398, 17037330, 25555995, 51111990]

約数ペア:

[(1, 51111990), (2, 25555995), (3, 17037330), (5, 10222398), (6, 8518665), (9, 5679110), (10, 5111199), (15, 3407466), (18, 2839555), (30, 1703733), (45, 1135822), (90, 567911), (151, 338490), (302, 169245), (453, 112830), (755, 67698), (906, 56415), (1359, 37610), (1510, 33849), (2265, 22566), (2718, 18805), (3761, 13590), (4530, 11283), (6795, 7522)]