289097991

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 90

約数和(自身を含む): 545249232

約数和(自身を除く): 256151241

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 169, 189, 273, 351, 431, 441, 507, 567, 637, 819, 1053, 1183, 1293, 1323, 1521, 1911, 2457, 3017, 3549, 3879, 3969, 4563, 5603, 5733, 7371, 8281, 9051, 10647, 11637, 13689, 16809, 17199, 21119, 24843, 27153, 31941, 34911, 39221, 50427, 51597, 63357, 72839, 74529, 81459, 95823, 117663, 151281, 190071, 218517, 223587, 244377, 274547, 352989, 453843, 509873, 570213, 655551, 670761, 823641, 1058967, 1529619, 1710639, 1966653, 2470923, 3176901, 3569111, 4588857, 5899959, 7412769, 10707333, 13766571, 22238307, 32121999, 41299713, 96365997, 289097991]

約数ペア:

[(1, 289097991), (3, 96365997), (7, 41299713), (9, 32121999), (13, 22238307), (21, 13766571), (27, 10707333), (39, 7412769), (49, 5899959), (63, 4588857), (81, 3569111), (91, 3176901), (117, 2470923), (147, 1966653), (169, 1710639), (189, 1529619), (273, 1058967), (351, 823641), (431, 670761), (441, 655551), (507, 570213), (567, 509873), (637, 453843), (819, 352989), (1053, 274547), (1183, 244377), (1293, 223587), (1323, 218517), (1521, 190071), (1911, 151281), (2457, 117663), (3017, 95823), (3549, 81459), (3879, 74529), (3969, 72839), (4563, 63357), (5603, 51597), (5733, 50427), (7371, 39221), (8281, 34911), (9051, 31941), (10647, 27153), (11637, 24843), (13689, 21119), (16809, 17199)]