201617541

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 313709760

約数和(自身を除く): 112092219

約数列:

[1, 3, 9, 29, 41, 83, 87, 123, 227, 249, 261, 369, 681, 747, 1189, 2043, 2407, 3403, 3567, 6583, 7221, 9307, 10209, 10701, 18841, 19749, 21663, 27921, 30627, 56523, 59247, 83763, 98687, 169569, 269903, 296061, 546389, 772481, 809709, 888183, 1639167, 2317443, 2429127, 4917501, 6952329, 22401949, 67205847, 201617541]

約数ペア:

[(1, 201617541), (3, 67205847), (9, 22401949), (29, 6952329), (41, 4917501), (83, 2429127), (87, 2317443), (123, 1639167), (227, 888183), (249, 809709), (261, 772481), (369, 546389), (681, 296061), (747, 269903), (1189, 169569), (2043, 98687), (2407, 83763), (3403, 59247), (3567, 56523), (6583, 30627), (7221, 27921), (9307, 21663), (10209, 19749), (10701, 18841)]