79487811

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 140263200

約数和(自身を除く): 60775389

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 81, 87, 117, 137, 171, 247, 261, 351, 377, 411, 513, 551, 741, 783, 1053, 1131, 1233, 1539, 1653, 1781, 2223, 2349, 2603, 3393, 3699, 3973, 4959, 5343, 6669, 7163, 7809, 10179, 11097, 11919, 14877, 16029, 20007, 21489, 23427, 30537, 33839, 35757, 44631, 48087, 51649, 64467, 70281, 75487, 101517, 107271, 144261, 154947, 193401, 210843, 226461, 304551, 321813, 464841, 580203, 679383, 913653, 981331, 1394523, 2038149, 2740959, 2943993, 4183569, 6114447, 8831979, 26495937, 79487811]

約数ペア:

[(1, 79487811), (3, 26495937), (9, 8831979), (13, 6114447), (19, 4183569), (27, 2943993), (29, 2740959), (39, 2038149), (57, 1394523), (81, 981331), (87, 913653), (117, 679383), (137, 580203), (171, 464841), (247, 321813), (261, 304551), (351, 226461), (377, 210843), (411, 193401), (513, 154947), (551, 144261), (741, 107271), (783, 101517), (1053, 75487), (1131, 70281), (1233, 64467), (1539, 51649), (1653, 48087), (1781, 44631), (2223, 35757), (2349, 33839), (2603, 30537), (3393, 23427), (3699, 21489), (3973, 20007), (4959, 16029), (5343, 14877), (6669, 11919), (7163, 11097), (7809, 10179)]