13870479

素因数分解:

$3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 21686448

約数和(自身を除く): 7815969

約数列:

[1, 3, 7, 21, 49, 147, 157, 471, 601, 1099, 1803, 3297, 4207, 7693, 12621, 23079, 29449, 88347, 94357, 283071, 660499, 1981497, 4623493, 13870479]

約数ペア:

[(1, 13870479), (3, 4623493), (7, 1981497), (21, 660499), (49, 283071), (147, 94357), (157, 88347), (471, 29449), (601, 23079), (1099, 12621), (1803, 7693), (3297, 4207)]