1987937235

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1201}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 3679100832

約数和(自身を除く): 1691163597

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 67, 81, 135, 183, 201, 305, 335, 405, 549, 603, 915, 1005, 1201, 1647, 1809, 2745, 3015, 3603, 4087, 4941, 5427, 6005, 8235, 9045, 10809, 12261, 18015, 20435, 24705, 27135, 32427, 36783, 54045, 61305, 73261, 80467, 97281, 110349, 162135, 183915, 219783, 241401, 331047, 366305, 402335, 486405, 551745, 659349, 724203, 1098915, 1207005, 1655235, 1978047, 2172609, 3296745, 3621015, 4908487, 5934141, 6517827, 9890235, 10863045, 14725461, 24542435, 29670705, 32589135, 44176383, 73627305, 132529149, 220881915, 397587447, 662645745, 1987937235]

約数ペア:

[(1, 1987937235), (3, 662645745), (5, 397587447), (9, 220881915), (15, 132529149), (27, 73627305), (45, 44176383), (61, 32589135), (67, 29670705), (81, 24542435), (135, 14725461), (183, 10863045), (201, 9890235), (305, 6517827), (335, 5934141), (405, 4908487), (549, 3621015), (603, 3296745), (915, 2172609), (1005, 1978047), (1201, 1655235), (1647, 1207005), (1809, 1098915), (2745, 724203), (3015, 659349), (3603, 551745), (4087, 486405), (4941, 402335), (5427, 366305), (6005, 331047), (8235, 241401), (9045, 219783), (10809, 183915), (12261, 162135), (18015, 110349), (20435, 97281), (24705, 80467), (27135, 73261), (32427, 61305), (36783, 54045)]