22199925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 18511755

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 275, 355, 379, 781, 825, 1065, 1137, 1775, 1895, 2343, 3905, 4169, 5325, 5685, 9475, 11715, 12507, 19525, 20845, 26909, 28425, 58575, 62535, 80727, 104225, 134545, 295999, 312675, 403635, 672725, 887997, 1479995, 2018175, 4439985, 7399975, 22199925]

約数ペア:

[(1, 22199925), (3, 7399975), (5, 4439985), (11, 2018175), (15, 1479995), (25, 887997), (33, 672725), (55, 403635), (71, 312675), (75, 295999), (165, 134545), (213, 104225), (275, 80727), (355, 62535), (379, 58575), (781, 28425), (825, 26909), (1065, 20845), (1137, 19525), (1775, 12507), (1895, 11715), (2343, 9475), (3905, 5685), (4169, 5325)]