280278

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:708

約数の個数: 24

約数和(自身を含む): 634608

約数和(自身を除く): 354330

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 677, 1354, 2031, 4062, 6093, 12186, 15571, 31142, 46713, 93426, 140139, 280278]

約数ペア:

[(1, 280278), (2, 140139), (3, 93426), (6, 46713), (9, 31142), (18, 15571), (23, 12186), (46, 6093), (69, 4062), (138, 2031), (207, 1354), (414, 677)]