668406123

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 1263974400

約数和(自身を除く): 595568277

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 79, 87, 99, 203, 231, 237, 261, 319, 421, 553, 609, 693, 711, 869, 957, 1263, 1659, 1827, 2233, 2291, 2607, 2871, 2947, 3789, 4631, 4977, 6083, 6699, 6873, 7821, 8841, 12209, 13893, 16037, 18249, 20097, 20619, 25201, 26523, 32417, 33259, 36627, 41679, 48111, 54747, 75603, 85463, 97251, 99777, 109881, 134299, 144333, 176407, 226809, 232813, 256389, 291753, 299331, 365849, 402897, 529221, 698439, 769167, 940093, 964511, 1097547, 1208691, 1587663, 2095317, 2560943, 2820279, 2893533, 3292641, 6751577, 7682829, 8460837, 8680599, 10609621, 20254731, 23048487, 31828863, 60764193, 74267347, 95486589, 222802041, 668406123]

約数ペア:

[(1, 668406123), (3, 222802041), (7, 95486589), (9, 74267347), (11, 60764193), (21, 31828863), (29, 23048487), (33, 20254731), (63, 10609621), (77, 8680599), (79, 8460837), (87, 7682829), (99, 6751577), (203, 3292641), (231, 2893533), (237, 2820279), (261, 2560943), (319, 2095317), (421, 1587663), (553, 1208691), (609, 1097547), (693, 964511), (711, 940093), (869, 769167), (957, 698439), (1263, 529221), (1659, 402897), (1827, 365849), (2233, 299331), (2291, 291753), (2607, 256389), (2871, 232813), (2947, 226809), (3789, 176407), (4631, 144333), (4977, 134299), (6083, 109881), (6699, 99777), (6873, 97251), (7821, 85463), (8841, 75603), (12209, 54747), (13893, 48111), (16037, 41679), (18249, 36627), (20097, 33259), (20619, 32417), (25201, 26523)]