638363979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{222349}}^1$

素因数の和:222395

約数の個数: 24

約数和(自身を含む): 1040598000

約数和(自身を除く): 402234021

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 222349, 667047, 2001141, 2445839, 6448121, 7337517, 19344363, 22012551, 58033089, 70929331, 212787993, 638363979]

約数ペア:

[(1, 638363979), (3, 212787993), (9, 70929331), (11, 58033089), (29, 22012551), (33, 19344363), (87, 7337517), (99, 6448121), (261, 2445839), (319, 2001141), (957, 667047), (2871, 222349)]