40513851

素因数分解:

$3^4\times 7^1\times {\mathrm{71453}}^1$

素因数の和:71472

約数の個数: 20

約数和(自身を含む): 69167472

約数和(自身を除く): 28653621

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 71453, 214359, 500171, 643077, 1500513, 1929231, 4501539, 5787693, 13504617, 40513851]

約数ペア:

[(1, 40513851), (3, 13504617), (7, 5787693), (9, 4501539), (21, 1929231), (27, 1500513), (63, 643077), (81, 500171), (189, 214359), (567, 71453)]