71784549

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{4951}}^1$

素因数の和:5142

約数の個数: 20

約数和(自身を含む): 107854560

約数和(自身を除く): 36070011

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 4951, 14499, 14853, 44559, 133677, 401031, 886229, 2658687, 7976061, 23928183, 71784549]

約数ペア:

[(1, 71784549), (3, 23928183), (9, 7976061), (27, 2658687), (81, 886229), (179, 401031), (537, 133677), (1611, 44559), (4833, 14853), (4951, 14499)]