20170847529

素因数分解:

$3^7\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9479}}^1$

素因数の和:9646

約数の個数: 64

約数和(自身を含む): 34825728000

約数和(自身を除く): 14654880471

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 243, 417, 567, 729, 973, 1251, 1701, 2187, 2919, 3753, 5103, 8757, 9479, 11259, 15309, 26271, 28437, 33777, 66353, 78813, 85311, 101331, 199059, 236439, 255933, 303993, 597177, 709317, 767799, 1317581, 1791531, 2127951, 2303397, 3952743, 5374593, 6910191, 9223067, 11858229, 16123779, 20730573, 27669201, 35574687, 48371337, 83007603, 106724061, 145114011, 249022809, 320172183, 747068427, 960516549, 2241205281, 2881549647, 6723615843, 20170847529]

約数ペア:

[(1, 20170847529), (3, 6723615843), (7, 2881549647), (9, 2241205281), (21, 960516549), (27, 747068427), (63, 320172183), (81, 249022809), (139, 145114011), (189, 106724061), (243, 83007603), (417, 48371337), (567, 35574687), (729, 27669201), (973, 20730573), (1251, 16123779), (1701, 11858229), (2187, 9223067), (2919, 6910191), (3753, 5374593), (5103, 3952743), (8757, 2303397), (9479, 2127951), (11259, 1791531), (15309, 1317581), (26271, 767799), (28437, 709317), (33777, 597177), (66353, 303993), (78813, 255933), (85311, 236439), (101331, 199059)]