8390109

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 13990144

約数和(自身を除く): 5600035

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 421, 511, 949, 1263, 1533, 2847, 2947, 5473, 6643, 8841, 16419, 19929, 30733, 38311, 92199, 114933, 215131, 399529, 645393, 1198587, 2796703, 8390109]

約数ペア:

[(1, 8390109), (3, 2796703), (7, 1198587), (13, 645393), (21, 399529), (39, 215131), (73, 114933), (91, 92199), (219, 38311), (273, 30733), (421, 19929), (511, 16419), (949, 8841), (1263, 6643), (1533, 5473), (2847, 2947)]