51831255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1231}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 95090688

約数和(自身を除く): 43259433

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 401, 1203, 1231, 2005, 2807, 3693, 6015, 6155, 8421, 8617, 14035, 18465, 25851, 42105, 43085, 129255, 493631, 1480893, 2468155, 3455417, 7404465, 10366251, 17277085, 51831255]

約数ペア:

[(1, 51831255), (3, 17277085), (5, 10366251), (7, 7404465), (15, 3455417), (21, 2468155), (35, 1480893), (105, 493631), (401, 129255), (1203, 43085), (1231, 42105), (2005, 25851), (2807, 18465), (3693, 14035), (6015, 8617), (6155, 8421)]