2099013

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 3310560

約数和(自身を除く): 1211547

約数列:

[1, 3, 7, 21, 49, 109, 131, 147, 327, 393, 763, 917, 2289, 2751, 5341, 6419, 14279, 16023, 19257, 42837, 99953, 299859, 699671, 2099013]

約数ペア:

[(1, 2099013), (3, 699671), (7, 299859), (21, 99953), (49, 42837), (109, 19257), (131, 16023), (147, 14279), (327, 6419), (393, 5341), (763, 2751), (917, 2289)]