51971421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{20357}}^1$

素因数の和:20420

約数の個数: 16

約数和(自身を含む): 74265984

約数和(自身を除く): 22294563

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 20357, 61071, 468211, 753209, 1404633, 2259627, 17323807, 51971421]

約数ペア:

[(1, 51971421), (3, 17323807), (23, 2259627), (37, 1404633), (69, 753209), (111, 468211), (851, 61071), (2553, 20357)]