12931605

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 23639616

約数和(自身を除く): 10708011

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 163, 205, 215, 369, 387, 489, 615, 645, 815, 1467, 1763, 1845, 1935, 2445, 5289, 6683, 7009, 7335, 8815, 15867, 20049, 21027, 26445, 33415, 35045, 60147, 63081, 79335, 100245, 105135, 287369, 300735, 315405, 862107, 1436845, 2586321, 4310535, 12931605]

約数ペア:

[(1, 12931605), (3, 4310535), (5, 2586321), (9, 1436845), (15, 862107), (41, 315405), (43, 300735), (45, 287369), (123, 105135), (129, 100245), (163, 79335), (205, 63081), (215, 60147), (369, 35045), (387, 33415), (489, 26445), (615, 21027), (645, 20049), (815, 15867), (1467, 8815), (1763, 7335), (1845, 7009), (1935, 6683), (2445, 5289)]