31201605

素因数分解:

$3^4\times 5^1\times {\mathrm{77041}}^1$

素因数の和:77058

約数の個数: 20

約数和(自身を含む): 55932492

約数和(自身を除く): 24730887

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 77041, 231123, 385205, 693369, 1155615, 2080107, 3466845, 6240321, 10400535, 31201605]

約数ペア:

[(1, 31201605), (3, 10400535), (5, 6240321), (9, 3466845), (15, 2080107), (27, 1155615), (45, 693369), (81, 385205), (135, 231123), (405, 77041)]