491418

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1218

約数の個数: 24

約数和(自身を含む): 1111968

約数和(自身を除く): 620550

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1187, 2374, 3561, 7122, 10683, 21366, 27301, 54602, 81903, 163806, 245709, 491418]

約数ペア:

[(1, 491418), (2, 245709), (3, 163806), (6, 81903), (9, 54602), (18, 27301), (23, 21366), (46, 10683), (69, 7122), (138, 3561), (207, 2374), (414, 1187)]