128564631

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2333}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 206512320

約数和(自身を除く): 77947689

約数列:

[1, 3, 9, 13, 27, 39, 117, 157, 351, 471, 1413, 2041, 2333, 4239, 6123, 6999, 18369, 20997, 30329, 55107, 62991, 90987, 272961, 366281, 818883, 1098843, 3296529, 4761653, 9889587, 14284959, 42854877, 128564631]

約数ペア:

[(1, 128564631), (3, 42854877), (9, 14284959), (13, 9889587), (27, 4761653), (39, 3296529), (117, 1098843), (157, 818883), (351, 366281), (471, 272961), (1413, 90987), (2041, 62991), (2333, 55107), (4239, 30329), (6123, 20997), (6999, 18369)]