640653176367

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1597}}^1\times {\mathrm{10949}}^1$

素因数の和:12637

約数の個数: 64

約数和(自身を含む): 1007890560000

約数和(自身を除く): 367237383633

約数列:

[1, 3, 9, 23, 27, 59, 69, 177, 207, 531, 621, 1357, 1593, 1597, 4071, 4791, 10949, 12213, 14373, 32847, 36639, 36731, 43119, 94223, 98541, 110193, 251827, 282669, 295623, 330579, 645991, 755481, 848007, 991737, 1937973, 2167129, 2266443, 2544021, 5813919, 6501387, 6799329, 14857793, 17441757, 17485553, 19504161, 44573379, 52456659, 58512483, 133720137, 157369977, 401160411, 402167719, 472109931, 1031647627, 1206503157, 3094942881, 3619509471, 9284828643, 10858528413, 23727895421, 27854485929, 71183686263, 213551058789, 640653176367]

約数ペア:

[(1, 640653176367), (3, 213551058789), (9, 71183686263), (23, 27854485929), (27, 23727895421), (59, 10858528413), (69, 9284828643), (177, 3619509471), (207, 3094942881), (531, 1206503157), (621, 1031647627), (1357, 472109931), (1593, 402167719), (1597, 401160411), (4071, 157369977), (4791, 133720137), (10949, 58512483), (12213, 52456659), (14373, 44573379), (32847, 19504161), (36639, 17485553), (36731, 17441757), (43119, 14857793), (94223, 6799329), (98541, 6501387), (110193, 5813919), (251827, 2544021), (282669, 2266443), (295623, 2167129), (330579, 1937973), (645991, 991737), (755481, 848007)]