18121026561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1\times {\mathrm{15731}}^1$

素因数の和:16333

約数の個数: 32

約数和(自身を含む): 26804307456

約数和(自身を除く): 8683280895

約数列:

[1, 3, 11, 33, 67, 201, 521, 737, 1563, 2211, 5731, 15731, 17193, 34907, 47193, 104721, 173041, 383977, 519123, 1053977, 1151931, 3161931, 8195851, 11593747, 24587553, 34781241, 90154361, 270463083, 549122017, 1647366051, 6040342187, 18121026561]

約数ペア:

[(1, 18121026561), (3, 6040342187), (11, 1647366051), (33, 549122017), (67, 270463083), (201, 90154361), (521, 34781241), (737, 24587553), (1563, 11593747), (2211, 8195851), (5731, 3161931), (15731, 1151931), (17193, 1053977), (34907, 519123), (47193, 383977), (104721, 173041)]