26891613

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 20282787

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 123, 203, 261, 287, 359, 369, 609, 861, 1077, 1189, 1827, 2513, 2583, 3231, 3567, 7539, 8323, 10411, 10701, 14719, 22617, 24969, 31233, 44157, 72877, 74907, 93699, 103033, 132471, 218631, 309099, 426851, 655893, 927297, 1280553, 2987957, 3841659, 8963871, 26891613]

約数ペア:

[(1, 26891613), (3, 8963871), (7, 3841659), (9, 2987957), (21, 1280553), (29, 927297), (41, 655893), (63, 426851), (87, 309099), (123, 218631), (203, 132471), (261, 103033), (287, 93699), (359, 74907), (369, 72877), (609, 44157), (861, 31233), (1077, 24969), (1189, 22617), (1827, 14719), (2513, 10701), (2583, 10411), (3231, 8323), (3567, 7539)]