81437685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18917}}^1$

素因数の和:18973

約数の個数: 32

約数和(自身を含む): 152554752

約数和(自身を除く): 71117067

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 18917, 56751, 94585, 132419, 283755, 397257, 662095, 775597, 1986285, 2326791, 3877985, 5429179, 11633955, 16287537, 27145895, 81437685]

約数ペア:

[(1, 81437685), (3, 27145895), (5, 16287537), (7, 11633955), (15, 5429179), (21, 3877985), (35, 2326791), (41, 1986285), (105, 775597), (123, 662095), (205, 397257), (287, 283755), (615, 132419), (861, 94585), (1435, 56751), (4305, 18917)]