71336781

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 41881779

約数列:

[1, 3, 9, 27, 29, 53, 81, 87, 159, 191, 243, 261, 477, 573, 783, 1431, 1537, 1719, 2349, 4293, 4611, 5157, 5539, 7047, 10123, 12879, 13833, 15471, 16617, 30369, 41499, 46413, 49851, 91107, 124497, 149553, 273321, 293567, 373491, 448659, 819963, 880701, 1345977, 2459889, 2642103, 7926309, 23778927, 71336781]

約数ペア:

[(1, 71336781), (3, 23778927), (9, 7926309), (27, 2642103), (29, 2459889), (53, 1345977), (81, 880701), (87, 819963), (159, 448659), (191, 373491), (243, 293567), (261, 273321), (477, 149553), (573, 124497), (783, 91107), (1431, 49851), (1537, 46413), (1719, 41499), (2349, 30369), (4293, 16617), (4611, 15471), (5157, 13833), (5539, 12879), (7047, 10123)]