64737615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 110592000

約数和(自身を除く): 45854385

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 635, 1905, 1999, 2159, 5997, 6477, 9995, 10795, 29985, 32385, 33983, 101949, 169915, 253873, 509745, 761619, 1269365, 3808095, 4315841, 12947523, 21579205, 64737615]

約数ペア:

[(1, 64737615), (3, 21579205), (5, 12947523), (15, 4315841), (17, 3808095), (51, 1269365), (85, 761619), (127, 509745), (255, 253873), (381, 169915), (635, 101949), (1905, 33983), (1999, 32385), (2159, 29985), (5997, 10795), (6477, 9995)]