81221058

素因数分解:

$2^1\times 3^2\times {\mathrm{631}}^1\times {\mathrm{7151}}^1$

素因数の和:7790

約数の個数: 24

約数和(自身を含む): 176282496

約数和(自身を除く): 95061438

約数列:

[1, 2, 3, 6, 9, 18, 631, 1262, 1893, 3786, 5679, 7151, 11358, 14302, 21453, 42906, 64359, 128718, 4512281, 9024562, 13536843, 27073686, 40610529, 81221058]

約数ペア:

[(1, 81221058), (2, 40610529), (3, 27073686), (6, 13536843), (9, 9024562), (18, 4512281), (631, 128718), (1262, 64359), (1893, 42906), (3786, 21453), (5679, 14302), (7151, 11358)]