20161236249

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{112327}}^1$

素因数の和:112395

約数の個数: 72

約数和(自身を含む): 37955181888

約数和(自身を除く): 17793945639

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 49, 63, 77, 99, 111, 147, 231, 259, 333, 407, 441, 539, 693, 777, 1221, 1617, 1813, 2331, 2849, 3663, 4851, 5439, 8547, 16317, 19943, 25641, 59829, 112327, 179487, 336981, 786289, 1010943, 1235597, 2358867, 3706791, 4156099, 5504023, 7076601, 8649179, 11120373, 12468297, 16512069, 25947537, 29092693, 37404891, 45717089, 49536207, 60544253, 77842611, 87278079, 137151267, 181632759, 203648851, 261834237, 320019623, 411453801, 544898277, 610946553, 960058869, 1832839659, 2240137361, 2880176607, 6720412083, 20161236249]

約数ペア:

[(1, 20161236249), (3, 6720412083), (7, 2880176607), (9, 2240137361), (11, 1832839659), (21, 960058869), (33, 610946553), (37, 544898277), (49, 411453801), (63, 320019623), (77, 261834237), (99, 203648851), (111, 181632759), (147, 137151267), (231, 87278079), (259, 77842611), (333, 60544253), (407, 49536207), (441, 45717089), (539, 37404891), (693, 29092693), (777, 25947537), (1221, 16512069), (1617, 12468297), (1813, 11120373), (2331, 8649179), (2849, 7076601), (3663, 5504023), (4851, 4156099), (5439, 3706791), (8547, 2358867), (16317, 1235597), (19943, 1010943), (25641, 786289), (59829, 336981), (112327, 179487)]