64907703

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 113598720

約数和(自身を除く): 48691017

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 147, 189, 213, 441, 497, 639, 691, 1323, 1491, 1917, 2073, 3479, 4473, 4837, 6219, 10437, 13419, 14511, 18657, 31311, 33859, 43533, 49061, 93933, 101577, 130599, 147183, 304731, 343427, 441549, 914193, 1030281, 1324647, 2403989, 3090843, 7211967, 9272529, 21635901, 64907703]

約数ペア:

[(1, 64907703), (3, 21635901), (7, 9272529), (9, 7211967), (21, 3090843), (27, 2403989), (49, 1324647), (63, 1030281), (71, 914193), (147, 441549), (189, 343427), (213, 304731), (441, 147183), (497, 130599), (639, 101577), (691, 93933), (1323, 49061), (1491, 43533), (1917, 33859), (2073, 31311), (3479, 18657), (4473, 14511), (4837, 13419), (6219, 10437)]