809366985

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4116

約数の個数: 80

約数和(自身を含む): 1681903872

約数和(自身を除く): 872536887

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 81, 105, 135, 189, 213, 315, 355, 405, 497, 567, 639, 945, 1065, 1491, 1917, 2485, 2835, 3195, 4021, 4473, 5751, 7455, 9585, 12063, 13419, 20105, 22365, 28147, 28755, 36189, 40257, 60315, 67095, 84441, 108567, 140735, 180945, 201285, 253323, 285491, 325701, 422205, 542835, 759969, 856473, 1266615, 1427455, 1628505, 1998437, 2279907, 2569419, 3799845, 4282365, 5995311, 7708257, 9992185, 11399535, 12847095, 17985933, 23124771, 29976555, 38541285, 53957799, 89929665, 115623855, 161873397, 269788995, 809366985]

約数ペア:

[(1, 809366985), (3, 269788995), (5, 161873397), (7, 115623855), (9, 89929665), (15, 53957799), (21, 38541285), (27, 29976555), (35, 23124771), (45, 17985933), (63, 12847095), (71, 11399535), (81, 9992185), (105, 7708257), (135, 5995311), (189, 4282365), (213, 3799845), (315, 2569419), (355, 2279907), (405, 1998437), (497, 1628505), (567, 1427455), (639, 1266615), (945, 856473), (1065, 759969), (1491, 542835), (1917, 422205), (2485, 325701), (2835, 285491), (3195, 253323), (4021, 201285), (4473, 180945), (5751, 140735), (7455, 108567), (9585, 84441), (12063, 67095), (13419, 60315), (20105, 40257), (22365, 36189), (28147, 28755)]