215796657

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{26951}}^1$

素因数の和:27128

約数の個数: 16

約数和(自身を含む): 306605952

約数和(自身を除く): 90809295

約数列:

[1, 3, 17, 51, 157, 471, 2669, 8007, 26951, 80853, 458167, 1374501, 4231307, 12693921, 71932219, 215796657]

約数ペア:

[(1, 215796657), (3, 71932219), (17, 12693921), (51, 4231307), (157, 1374501), (471, 458167), (2669, 80853), (8007, 26951)]