764331393

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{261847}}^1$

素因数の和:261996

約数の個数: 16

約数和(自身を含む): 1173079040

約数和(自身を除く): 408747647

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 261847, 785541, 1832929, 5498787, 36396733, 109190199, 254777131, 764331393]

約数ペア:

[(1, 764331393), (3, 254777131), (7, 109190199), (21, 36396733), (139, 5498787), (417, 1832929), (973, 785541), (2919, 261847)]