128214657

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 198633600

約数和(自身を除く): 70418943

約数列:

[1, 3, 9, 27, 37, 81, 111, 179, 239, 333, 537, 717, 999, 1611, 2151, 2997, 4833, 6453, 6623, 8843, 14499, 19359, 19869, 26529, 42781, 59607, 79587, 128343, 178821, 238761, 385029, 536463, 716283, 1155087, 1582897, 3465261, 4748691, 14246073, 42738219, 128214657]

約数ペア:

[(1, 128214657), (3, 42738219), (9, 14246073), (27, 4748691), (37, 3465261), (81, 1582897), (111, 1155087), (179, 716283), (239, 536463), (333, 385029), (537, 238761), (717, 178821), (999, 128343), (1611, 79587), (2151, 59607), (2997, 42781), (4833, 26529), (6453, 19869), (6623, 19359), (8843, 14499)]