71318145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{279679}}^1$

素因数の和:279704

約数の個数: 16

約数和(自身を含む): 120821760

約数和(自身を除く): 49503615

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 279679, 839037, 1398395, 4195185, 4754543, 14263629, 23772715, 71318145]

約数ペア:

[(1, 71318145), (3, 23772715), (5, 14263629), (15, 4754543), (17, 4195185), (51, 1398395), (85, 839037), (255, 279679)]