128456811

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{433}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 225860544

約数和(自身を除く): 97403733

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 277, 357, 433, 831, 1071, 1299, 1939, 2493, 3031, 3897, 4709, 5817, 7361, 9093, 14127, 17451, 22083, 27279, 32963, 42381, 51527, 66249, 98889, 119941, 154581, 296667, 359823, 463743, 839587, 1079469, 2038997, 2518761, 6116991, 7556283, 14272979, 18350973, 42818937, 128456811]

約数ペア:

[(1, 128456811), (3, 42818937), (7, 18350973), (9, 14272979), (17, 7556283), (21, 6116991), (51, 2518761), (63, 2038997), (119, 1079469), (153, 839587), (277, 463743), (357, 359823), (433, 296667), (831, 154581), (1071, 119941), (1299, 98889), (1939, 66249), (2493, 51527), (3031, 42381), (3897, 32963), (4709, 27279), (5817, 22083), (7361, 17451), (9093, 14127)]