128525679

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 202168512

約数和(自身を除く): 73642833

約数列:

[1, 3, 9, 23, 37, 69, 97, 111, 173, 207, 291, 333, 519, 851, 873, 1557, 2231, 2553, 3589, 3979, 6401, 6693, 7659, 10767, 11937, 16781, 19203, 20079, 32301, 35811, 50343, 57609, 82547, 147223, 151029, 247641, 385963, 441669, 620897, 742923, 1157889, 1325007, 1862691, 3473667, 5588073, 14280631, 42841893, 128525679]

約数ペア:

[(1, 128525679), (3, 42841893), (9, 14280631), (23, 5588073), (37, 3473667), (69, 1862691), (97, 1325007), (111, 1157889), (173, 742923), (207, 620897), (291, 441669), (333, 385963), (519, 247641), (851, 151029), (873, 147223), (1557, 82547), (2231, 57609), (2553, 50343), (3589, 35811), (3979, 32301), (6401, 20079), (6693, 19203), (7659, 16781), (10767, 11937)]