81685506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3733}}^1$

素因数の和:4266

約数の個数: 32

約数和(自身を含む): 187118208

約数和(自身を除く): 105432702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 1042, 1563, 3126, 3647, 3733, 7294, 7466, 10941, 11199, 21882, 22398, 26131, 52262, 78393, 156786, 1944893, 3889786, 5834679, 11669358, 13614251, 27228502, 40842753, 81685506]

約数ペア:

[(1, 81685506), (2, 40842753), (3, 27228502), (6, 13614251), (7, 11669358), (14, 5834679), (21, 3889786), (42, 1944893), (521, 156786), (1042, 78393), (1563, 52262), (3126, 26131), (3647, 22398), (3733, 21882), (7294, 11199), (7466, 10941)]