409488939

素因数分解:

$3^4\times {\mathrm{919}}^1\times {\mathrm{5501}}^1$

素因数の和:6432

約数の個数: 20

約数和(自身を含む): 612482640

約数和(自身を除く): 202993701

約数列:

[1, 3, 9, 27, 81, 919, 2757, 5501, 8271, 16503, 24813, 49509, 74439, 148527, 445581, 5055419, 15166257, 45498771, 136496313, 409488939]

約数ペア:

[(1, 409488939), (3, 136496313), (9, 45498771), (27, 15166257), (81, 5055419), (919, 445581), (2757, 148527), (5501, 74439), (8271, 49509), (16503, 24813)]