31530465

素因数分解:

$3^5\times 5^1\times {\mathrm{25951}}^1$

素因数の和:25971

約数の個数: 24

約数和(自身を含む): 56679168

約数和(自身を除く): 25148703

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 25951, 77853, 129755, 233559, 389265, 700677, 1167795, 2102031, 3503385, 6306093, 10510155, 31530465]

約数ペア:

[(1, 31530465), (3, 10510155), (5, 6306093), (9, 3503385), (15, 2102031), (27, 1167795), (45, 700677), (81, 389265), (135, 233559), (243, 129755), (405, 77853), (1215, 25951)]