131570235

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{5527}}^1$

素因数の和:5584

約数の個数: 36

約数和(自身を含む): 238444752

約数和(自身を除く): 106874517

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1587, 2645, 4761, 5527, 7935, 16581, 23805, 27635, 49743, 82905, 127121, 248715, 381363, 635605, 1144089, 1906815, 2923783, 5720445, 8771349, 14618915, 26314047, 43856745, 131570235]

約数ペア:

[(1, 131570235), (3, 43856745), (5, 26314047), (9, 14618915), (15, 8771349), (23, 5720445), (45, 2923783), (69, 1906815), (115, 1144089), (207, 635605), (345, 381363), (529, 248715), (1035, 127121), (1587, 82905), (2645, 49743), (4761, 27635), (5527, 23805), (7935, 16581)]