81309354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{2393}}^1$

素因数の和:3214

約数の個数: 32

約数和(自身を含む): 186157440

約数和(自身を除く): 104848086

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 809, 1618, 2393, 2427, 4786, 4854, 5663, 7179, 11326, 14358, 16751, 16989, 33502, 33978, 50253, 100506, 1935937, 3871874, 5807811, 11615622, 13551559, 27103118, 40654677, 81309354]

約数ペア:

[(1, 81309354), (2, 40654677), (3, 27103118), (6, 13551559), (7, 11615622), (14, 5807811), (21, 3871874), (42, 1935937), (809, 100506), (1618, 50253), (2393, 33978), (2427, 33502), (4786, 16989), (4854, 16751), (5663, 14358), (7179, 11326)]