51206409

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{419}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 76352640

約数和(自身を除く): 25146231

約数列:

[1, 3, 9, 37, 111, 333, 367, 419, 1101, 1257, 3303, 3771, 13579, 15503, 40737, 46509, 122211, 139527, 153773, 461319, 1383957, 5689601, 17068803, 51206409]

約数ペア:

[(1, 51206409), (3, 17068803), (9, 5689601), (37, 1383957), (111, 461319), (333, 153773), (367, 139527), (419, 122211), (1101, 46509), (1257, 40737), (3303, 15503), (3771, 13579)]