81991458

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{198047}}^1$

素因数の和:198078

約数の個数: 24

約数和(自身を含む): 185372928

約数和(自身を除く): 103381470

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 198047, 396094, 594141, 1188282, 1782423, 3564846, 4555081, 9110162, 13665243, 27330486, 40995729, 81991458]

約数ペア:

[(1, 81991458), (2, 40995729), (3, 27330486), (6, 13665243), (9, 9110162), (18, 4555081), (23, 3564846), (46, 1782423), (69, 1188282), (138, 594141), (207, 396094), (414, 198047)]