12971439

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3871

約数の個数: 24

約数和(自身を含む): 20879040

約数和(自身を除く): 7907601

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 3823, 11469, 34407, 49699, 110867, 149097, 332601, 447291, 997803, 1441271, 4323813, 12971439]

約数ペア:

[(1, 12971439), (3, 4323813), (9, 1441271), (13, 997803), (29, 447291), (39, 332601), (87, 149097), (117, 110867), (261, 49699), (377, 34407), (1131, 11469), (3393, 3823)]