1223161569

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 2141816040

約数和(自身を除く): 918654471

約数列:

[1, 3, 7, 9, 21, 41, 49, 61, 63, 123, 147, 183, 287, 369, 427, 441, 549, 861, 1109, 1281, 2009, 2501, 2583, 2989, 3327, 3843, 6027, 7503, 7763, 8967, 9981, 17507, 18081, 22509, 23289, 26901, 45469, 52521, 54341, 67649, 69867, 122549, 136407, 157563, 163023, 202947, 318283, 367647, 409221, 473543, 489069, 608841, 954849, 1102941, 1420629, 2227981, 2773609, 2864547, 3314801, 4261887, 6683943, 8320827, 9944403, 19415263, 20051829, 24962481, 29833209, 58245789, 135906841, 174737367, 407720523, 1223161569]

約数ペア:

[(1, 1223161569), (3, 407720523), (7, 174737367), (9, 135906841), (21, 58245789), (41, 29833209), (49, 24962481), (61, 20051829), (63, 19415263), (123, 9944403), (147, 8320827), (183, 6683943), (287, 4261887), (369, 3314801), (427, 2864547), (441, 2773609), (549, 2227981), (861, 1420629), (1109, 1102941), (1281, 954849), (2009, 608841), (2501, 489069), (2583, 473543), (2989, 409221), (3327, 367647), (3843, 318283), (6027, 202947), (7503, 163023), (7763, 157563), (8967, 136407), (9981, 122549), (17507, 69867), (18081, 67649), (22509, 54341), (23289, 52521), (26901, 45469)]