1621136163

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 2426941440

約数和(自身を除く): 805805277

約数列:

[1, 3, 23, 29, 43, 69, 83, 87, 129, 227, 249, 667, 681, 989, 1247, 1909, 2001, 2407, 2967, 3569, 3741, 5221, 5727, 6583, 7221, 9761, 10707, 15663, 18841, 19749, 28681, 29283, 55361, 56523, 82087, 86043, 103501, 151409, 166083, 224503, 246261, 283069, 310503, 433343, 454227, 546389, 673509, 810163, 849207, 1300029, 1639167, 2380523, 2430489, 6510587, 7141569, 12566947, 18633749, 19531761, 23494727, 37700841, 55901247, 70484181, 540378721, 1621136163]

約数ペア:

[(1, 1621136163), (3, 540378721), (23, 70484181), (29, 55901247), (43, 37700841), (69, 23494727), (83, 19531761), (87, 18633749), (129, 12566947), (227, 7141569), (249, 6510587), (667, 2430489), (681, 2380523), (989, 1639167), (1247, 1300029), (1909, 849207), (2001, 810163), (2407, 673509), (2967, 546389), (3569, 454227), (3741, 433343), (5221, 310503), (5727, 283069), (6583, 246261), (7221, 224503), (9761, 166083), (10707, 151409), (15663, 103501), (18841, 86043), (19749, 82087), (28681, 56523), (29283, 55361)]