40420377

素因数分解:

$3^5\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 60948160

約数和(自身を除く): 20527783

約数列:

[1, 3, 9, 27, 81, 181, 243, 543, 919, 1629, 2757, 4887, 8271, 14661, 24813, 43983, 74439, 166339, 223317, 499017, 1497051, 4491153, 13473459, 40420377]

約数ペア:

[(1, 40420377), (3, 13473459), (9, 4491153), (27, 1497051), (81, 499017), (181, 223317), (243, 166339), (543, 74439), (919, 43983), (1629, 24813), (2757, 14661), (4887, 8271)]