31126815

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2377}}^1$

素因数の和:2488

約数の個数: 32

約数和(自身を含む): 55930560

約数和(自身を除く): 24803745

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 2377, 2619, 4365, 7131, 11885, 13095, 21393, 35655, 64179, 106965, 230569, 320895, 691707, 1152845, 2075121, 3458535, 6225363, 10375605, 31126815]

約数ペア:

[(1, 31126815), (3, 10375605), (5, 6225363), (9, 3458535), (15, 2075121), (27, 1152845), (45, 691707), (97, 320895), (135, 230569), (291, 106965), (485, 64179), (873, 35655), (1455, 21393), (2377, 13095), (2619, 11885), (4365, 7131)]