20175129

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 12282471

約数列:

[1, 3, 9, 13, 27, 39, 117, 229, 251, 351, 687, 753, 2061, 2259, 2977, 3263, 6183, 6777, 8931, 9789, 26793, 29367, 57479, 80379, 88101, 172437, 517311, 747227, 1551933, 2241681, 6725043, 20175129]

約数ペア:

[(1, 20175129), (3, 6725043), (9, 2241681), (13, 1551933), (27, 747227), (39, 517311), (117, 172437), (229, 88101), (251, 80379), (351, 57479), (687, 29367), (753, 26793), (2061, 9789), (2259, 8931), (2977, 6777), (3263, 6183)]