1490999991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{350741}}^1$

素因数の和:350866

約数の個数: 16

約数和(自身を含む): 2160570720

約数和(自身を除く): 669570729

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 350741, 1052223, 4559633, 13678899, 38230769, 114692307, 496999997, 1490999991]

約数ペア:

[(1, 1490999991), (3, 496999997), (13, 114692307), (39, 38230769), (109, 13678899), (327, 4559633), (1417, 1052223), (4251, 350741)]