1211697

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 1867008

約数和(自身を除く): 655311

約数列:

[1, 3, 9, 31, 43, 93, 101, 129, 279, 303, 387, 909, 1333, 3131, 3999, 4343, 9393, 11997, 13029, 28179, 39087, 134633, 403899, 1211697]

約数ペア:

[(1, 1211697), (3, 403899), (9, 134633), (31, 39087), (43, 28179), (93, 13029), (101, 11997), (129, 9393), (279, 4343), (303, 3999), (387, 3131), (909, 1333)]