78481515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2551}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 144055296

約数和(自身を除く): 65573781

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 293, 879, 1465, 2051, 2551, 4395, 6153, 7653, 10255, 12755, 17857, 30765, 38265, 53571, 89285, 267855, 747443, 2242329, 3737215, 5232101, 11211645, 15696303, 26160505, 78481515]

約数ペア:

[(1, 78481515), (3, 26160505), (5, 15696303), (7, 11211645), (15, 5232101), (21, 3737215), (35, 2242329), (105, 747443), (293, 267855), (879, 89285), (1465, 53571), (2051, 38265), (2551, 30765), (4395, 17857), (6153, 12755), (7653, 10255)]