78891213

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{1051}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 106647552

約数和(自身を除く): 27756339

約数列:

[1, 3, 131, 191, 393, 573, 1051, 3153, 25021, 75063, 137681, 200741, 413043, 602223, 26297071, 78891213]

約数ペア:

[(1, 78891213), (3, 26297071), (131, 602223), (191, 413043), (393, 200741), (573, 137681), (1051, 75063), (3153, 25021)]