890297859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 1310697216

約数和(自身を除く): 420399357

約数列:

[1, 3, 11, 33, 157, 227, 471, 681, 757, 1727, 2271, 2497, 5181, 7491, 8327, 24981, 35639, 106917, 118849, 171839, 356547, 392029, 515517, 1176087, 1307339, 1890229, 3922017, 5670687, 26978723, 80936169, 296765953, 890297859]

約数ペア:

[(1, 890297859), (3, 296765953), (11, 80936169), (33, 26978723), (157, 5670687), (227, 3922017), (471, 1890229), (681, 1307339), (757, 1176087), (1727, 515517), (2271, 392029), (2497, 356547), (5181, 171839), (7491, 118849), (8327, 106917), (24981, 35639)]