1387339905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{12941}}^1$

素因数の和:13977

約数の個数: 32

約数和(自身を含む): 2539531008

約数和(自身を除く): 1152191103

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1021, 3063, 5105, 7147, 12941, 15315, 21441, 35735, 38823, 64705, 90587, 107205, 194115, 271761, 452935, 1358805, 13212761, 39638283, 66063805, 92489327, 198191415, 277467981, 462446635, 1387339905]

約数ペア:

[(1, 1387339905), (3, 462446635), (5, 277467981), (7, 198191415), (15, 92489327), (21, 66063805), (35, 39638283), (105, 13212761), (1021, 1358805), (3063, 452935), (5105, 271761), (7147, 194115), (12941, 107205), (15315, 90587), (21441, 64705), (35735, 38823)]