81486345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4027}}^1$

素因数の和:4125

約数の個数: 32

約数和(自身を含む): 139207680

約数和(自身を除く): 57721335

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 4027, 4047, 6745, 12081, 20135, 20235, 60405, 76513, 229539, 285917, 382565, 857751, 1147695, 1429585, 4288755, 5432423, 16297269, 27162115, 81486345]

約数ペア:

[(1, 81486345), (3, 27162115), (5, 16297269), (15, 5432423), (19, 4288755), (57, 1429585), (71, 1147695), (95, 857751), (213, 382565), (285, 285917), (355, 229539), (1065, 76513), (1349, 60405), (4027, 20235), (4047, 20135), (6745, 12081)]