389237265

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40609}}^1$

素因数の和:40694

約数の個数: 32

約数和(自身を含む): 701740800

約数和(自身を除く): 312503535

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 40609, 121827, 203045, 365481, 609135, 1096443, 1827405, 2883239, 5482215, 8649717, 14416195, 25949151, 43248585, 77847453, 129745755, 389237265]

約数ペア:

[(1, 389237265), (3, 129745755), (5, 77847453), (9, 43248585), (15, 25949151), (27, 14416195), (45, 8649717), (71, 5482215), (135, 2883239), (213, 1827405), (355, 1096443), (639, 609135), (1065, 365481), (1917, 203045), (3195, 121827), (9585, 40609)]