8699985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 17521920

約数和(自身を除く): 8821935

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 389, 497, 639, 1065, 1167, 1491, 1945, 2485, 2723, 3195, 3501, 4473, 5835, 7455, 8169, 13615, 17505, 22365, 24507, 27619, 40845, 82857, 122535, 138095, 193333, 248571, 414285, 579999, 966665, 1242855, 1739997, 2899995, 8699985]

約数ペア:

[(1, 8699985), (3, 2899995), (5, 1739997), (7, 1242855), (9, 966665), (15, 579999), (21, 414285), (35, 248571), (45, 193333), (63, 138095), (71, 122535), (105, 82857), (213, 40845), (315, 27619), (355, 24507), (389, 22365), (497, 17505), (639, 13615), (1065, 8169), (1167, 7455), (1491, 5835), (1945, 4473), (2485, 3501), (2723, 3195)]