217206795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2939}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 375379200

約数和(自身を除く): 158172405

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 379, 1137, 1895, 2939, 4927, 5685, 8817, 14695, 14781, 24635, 38207, 44085, 73905, 114621, 191035, 573105, 1113881, 3341643, 5569405, 14480453, 16708215, 43441359, 72402265, 217206795]

約数ペア:

[(1, 217206795), (3, 72402265), (5, 43441359), (13, 16708215), (15, 14480453), (39, 5569405), (65, 3341643), (195, 1113881), (379, 573105), (1137, 191035), (1895, 114621), (2939, 73905), (4927, 44085), (5685, 38207), (8817, 24635), (14695, 14781)]