51981447

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{31333}}^1$

素因数の和:31422

約数の個数: 16

約数和(自身を含む): 80215040

約数和(自身を除く): 28233593

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 31333, 93999, 219331, 657993, 2475307, 7425921, 17327149, 51981447]

約数ペア:

[(1, 51981447), (3, 17327149), (7, 7425921), (21, 2475307), (79, 657993), (237, 219331), (553, 93999), (1659, 31333)]