81405516

素因数分解:

$2^2\times 3^1\times {\mathrm{283}}^1\times {\mathrm{23971}}^1$

素因数の和:24261

約数の個数: 24

約数和(自身を含む): 190625344

約数和(自身を除く): 109219828

約数列:

[1, 2, 3, 4, 6, 12, 283, 566, 849, 1132, 1698, 3396, 23971, 47942, 71913, 95884, 143826, 287652, 6783793, 13567586, 20351379, 27135172, 40702758, 81405516]

約数ペア:

[(1, 81405516), (2, 40702758), (3, 27135172), (4, 20351379), (6, 13567586), (12, 6783793), (283, 287652), (566, 143826), (849, 95884), (1132, 71913), (1698, 47942), (3396, 23971)]