641475237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 933851520

約数和(自身を除く): 292376283

約数列:

[1, 3, 13, 39, 137, 211, 411, 569, 633, 1707, 1781, 2743, 5343, 7397, 8229, 22191, 28907, 77953, 86721, 120059, 233859, 360177, 375791, 1013389, 1127373, 1560767, 3040167, 4682301, 16448083, 49344249, 213825079, 641475237]

約数ペア:

[(1, 641475237), (3, 213825079), (13, 49344249), (39, 16448083), (137, 4682301), (211, 3040167), (411, 1560767), (569, 1127373), (633, 1013389), (1707, 375791), (1781, 360177), (2743, 233859), (5343, 120059), (7397, 86721), (8229, 77953), (22191, 28907)]