27987771

素因数分解:

$3^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 16364229

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 343, 413, 461, 1029, 1239, 1383, 2891, 3227, 8673, 9681, 20237, 22589, 27199, 60711, 67767, 81597, 158123, 190393, 474369, 571179, 1332751, 3998253, 9329257, 27987771]

約数ペア:

[(1, 27987771), (3, 9329257), (7, 3998253), (21, 1332751), (49, 571179), (59, 474369), (147, 190393), (177, 158123), (343, 81597), (413, 67767), (461, 60711), (1029, 27199), (1239, 22589), (1383, 20237), (2891, 9681), (3227, 8673)]