1640987613

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{463949}}^1$

素因数の和:464089

約数の個数: 16

約数和(自身を含む): 2449656000

約数和(自身を除く): 808668387

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 463949, 1391847, 4175541, 12526623, 60777319, 182331957, 546995871, 1640987613]

約数ペア:

[(1, 1640987613), (3, 546995871), (9, 182331957), (27, 60777319), (131, 12526623), (393, 4175541), (1179, 1391847), (3537, 463949)]