81946125

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3167}}^1$

素因数の和:3211

約数の個数: 48

約数和(自身を含む): 154192896

約数和(自身を除く): 72246771

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 1035, 1125, 1725, 2875, 3167, 5175, 8625, 9501, 15835, 25875, 28503, 47505, 72841, 79175, 142515, 218523, 237525, 364205, 395875, 655569, 712575, 1092615, 1187625, 1821025, 3277845, 3562875, 5463075, 9105125, 16389225, 27315375, 81946125]

約数ペア:

[(1, 81946125), (3, 27315375), (5, 16389225), (9, 9105125), (15, 5463075), (23, 3562875), (25, 3277845), (45, 1821025), (69, 1187625), (75, 1092615), (115, 712575), (125, 655569), (207, 395875), (225, 364205), (345, 237525), (375, 218523), (575, 142515), (1035, 79175), (1125, 72841), (1725, 47505), (2875, 28503), (3167, 25875), (5175, 15835), (8625, 9501)]