213522915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 363121920

約数和(自身を除く): 149599005

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 379, 529, 1065, 1137, 1587, 1633, 1895, 2645, 4899, 5685, 7935, 8165, 8717, 24495, 26151, 26909, 37559, 43585, 80727, 112677, 130755, 134545, 187795, 200491, 403635, 563385, 601473, 618907, 1002455, 1856721, 3007365, 3094535, 9283605, 14234861, 42704583, 71174305, 213522915]

約数ペア:

[(1, 213522915), (3, 71174305), (5, 42704583), (15, 14234861), (23, 9283605), (69, 3094535), (71, 3007365), (115, 1856721), (213, 1002455), (345, 618907), (355, 601473), (379, 563385), (529, 403635), (1065, 200491), (1137, 187795), (1587, 134545), (1633, 130755), (1895, 112677), (2645, 80727), (4899, 43585), (5685, 37559), (7935, 26909), (8165, 26151), (8717, 24495)]