391844385

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13627}}^1$

素因数の和:13715

約数の個数: 40

約数和(自身を含む): 712362816

約数和(自身を除く): 320518431

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 9585, 13627, 28755, 40881, 68135, 122643, 204405, 367929, 613215, 967517, 1103787, 1839645, 2902551, 4837585, 5518935, 8707653, 14512755, 26122959, 43538265, 78368877, 130614795, 391844385]

約数ペア:

[(1, 391844385), (3, 130614795), (5, 78368877), (9, 43538265), (15, 26122959), (27, 14512755), (45, 8707653), (71, 5518935), (81, 4837585), (135, 2902551), (213, 1839645), (355, 1103787), (405, 967517), (639, 613215), (1065, 367929), (1917, 204405), (3195, 122643), (5751, 68135), (9585, 40881), (13627, 28755)]