31543209

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 48470400

約数和(自身を除く): 16927191

約数列:

[1, 3, 9, 27, 43, 101, 129, 269, 303, 387, 807, 909, 1161, 2421, 2727, 4343, 7263, 11567, 13029, 27169, 34701, 39087, 81507, 104103, 117261, 244521, 312309, 733563, 1168267, 3504801, 10514403, 31543209]

約数ペア:

[(1, 31543209), (3, 10514403), (9, 3504801), (27, 1168267), (43, 733563), (101, 312309), (129, 244521), (269, 117261), (303, 104103), (387, 81507), (807, 39087), (909, 34701), (1161, 27169), (2421, 13029), (2727, 11567), (4343, 7263)]