405218247

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{2099}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 641088000

約数和(自身を除く): 235869753

約数列:

[1, 3, 7, 21, 29, 87, 203, 317, 609, 951, 2099, 2219, 6297, 6657, 9193, 14693, 27579, 44079, 60871, 64351, 182613, 193053, 426097, 665383, 1278291, 1996149, 4657681, 13973043, 19296107, 57888321, 135072749, 405218247]

約数ペア:

[(1, 405218247), (3, 135072749), (7, 57888321), (21, 19296107), (29, 13973043), (87, 4657681), (203, 1996149), (317, 1278291), (609, 665383), (951, 426097), (2099, 193053), (2219, 182613), (6297, 64351), (6657, 60871), (9193, 44079), (14693, 27579)]