788688009

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1117}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 1233735360

約数和(自身を除く): 445047351

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 379, 621, 1117, 1137, 1863, 3351, 3411, 8717, 10053, 10233, 25691, 26151, 30159, 30699, 77073, 78453, 90477, 231219, 235359, 423343, 693657, 706077, 1270029, 2080971, 3810087, 9736889, 11430261, 29210667, 34290783, 87632001, 262896003, 788688009]

約数ペア:

[(1, 788688009), (3, 262896003), (9, 87632001), (23, 34290783), (27, 29210667), (69, 11430261), (81, 9736889), (207, 3810087), (379, 2080971), (621, 1270029), (1117, 706077), (1137, 693657), (1863, 423343), (3351, 235359), (3411, 231219), (8717, 90477), (10053, 78453), (10233, 77073), (25691, 30699), (26151, 30159)]