42978159

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{40129}}^1$

素因数の和:40159

約数の個数: 24

約数和(自身を含む): 75123360

約数和(自身を除く): 32145201

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 40129, 120387, 280903, 361161, 682193, 842709, 2046579, 2528127, 4775351, 6139737, 14326053, 42978159]

約数ペア:

[(1, 42978159), (3, 14326053), (7, 6139737), (9, 4775351), (17, 2528127), (21, 2046579), (51, 842709), (63, 682193), (119, 361161), (153, 280903), (357, 120387), (1071, 40129)]