1286259

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 1932480

約数和(自身を除く): 646221

約数列:

[1, 3, 13, 39, 43, 59, 129, 169, 177, 507, 559, 767, 1677, 2301, 2537, 7267, 7611, 9971, 21801, 29913, 32981, 98943, 428753, 1286259]

約数ペア:

[(1, 1286259), (3, 428753), (13, 98943), (39, 32981), (43, 29913), (59, 21801), (129, 9971), (169, 7611), (177, 7267), (507, 2537), (559, 2301), (767, 1677)]