42781809

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 69431040

約数和(自身を除く): 26649231

約数列:

[1, 3, 7, 17, 21, 51, 119, 293, 357, 409, 879, 1227, 2051, 2863, 4981, 6153, 6953, 8589, 14943, 20859, 34867, 48671, 104601, 119837, 146013, 359511, 838859, 2037229, 2516577, 6111687, 14260603, 42781809]

約数ペア:

[(1, 42781809), (3, 14260603), (7, 6111687), (17, 2516577), (21, 2037229), (51, 838859), (119, 359511), (293, 146013), (357, 119837), (409, 104601), (879, 48671), (1227, 34867), (2051, 20859), (2863, 14943), (4981, 8589), (6153, 6953)]