678782013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2486381}}^1$

素因数の和:2486404

約数の個数: 16

約数和(自身を含む): 1113899136

約数和(自身を除く): 435117123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2486381, 7459143, 17404667, 32322953, 52214001, 96968859, 226260671, 678782013]

約数ペア:

[(1, 678782013), (3, 226260671), (7, 96968859), (13, 52214001), (21, 32322953), (39, 17404667), (91, 7459143), (273, 2486381)]