1561977

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 2540160

約数和(自身を除く): 978183

約数列:

[1, 3, 9, 17, 27, 41, 51, 83, 123, 153, 249, 369, 459, 697, 747, 1107, 1411, 2091, 2241, 3403, 4233, 6273, 10209, 12699, 18819, 30627, 38097, 57851, 91881, 173553, 520659, 1561977]

約数ペア:

[(1, 1561977), (3, 520659), (9, 173553), (17, 91881), (27, 57851), (41, 38097), (51, 30627), (83, 18819), (123, 12699), (153, 10209), (249, 6273), (369, 4233), (459, 3403), (697, 2241), (747, 2091), (1107, 1411)]