128702007

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2713}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 218856960

約数和(自身を除く): 90154953

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 753, 1757, 2259, 2713, 5271, 6777, 8139, 15813, 18991, 24417, 47439, 56973, 73251, 170919, 512757, 680963, 2042889, 4766741, 6128667, 14300223, 18386001, 42900669, 128702007]

約数ペア:

[(1, 128702007), (3, 42900669), (7, 18386001), (9, 14300223), (21, 6128667), (27, 4766741), (63, 2042889), (189, 680963), (251, 512757), (753, 170919), (1757, 73251), (2259, 56973), (2713, 47439), (5271, 24417), (6777, 18991), (8139, 15813)]