81951375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19867}}^1$

素因数の和:19896

約数の個数: 32

約数和(自身を含む): 148771584

約数和(自身を除く): 66820209

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 19867, 59601, 99335, 218537, 298005, 496675, 655611, 1092685, 1490025, 2483375, 3278055, 5463425, 7450125, 16390275, 27317125, 81951375]

約数ペア:

[(1, 81951375), (3, 27317125), (5, 16390275), (11, 7450125), (15, 5463425), (25, 3278055), (33, 2483375), (55, 1490025), (75, 1092685), (125, 655611), (165, 496675), (275, 298005), (375, 218537), (825, 99335), (1375, 59601), (4125, 19867)]