646832013

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 920678400

約数和(自身を除く): 273846387

約数列:

[1, 3, 23, 69, 79, 107, 237, 321, 1109, 1817, 2461, 3327, 5451, 7383, 8453, 25359, 25507, 76521, 87611, 118663, 194419, 262833, 355989, 583257, 2015053, 2729249, 6045159, 8187747, 9374377, 28123131, 215610671, 646832013]

約数ペア:

[(1, 646832013), (3, 215610671), (23, 28123131), (69, 9374377), (79, 8187747), (107, 6045159), (237, 2729249), (321, 2015053), (1109, 583257), (1817, 355989), (2461, 262833), (3327, 194419), (5451, 118663), (7383, 87611), (8453, 76521), (25359, 25507)]