8425215

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 15367968

約数和(自身を除く): 6942753

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 293, 355, 405, 639, 879, 1065, 1465, 1917, 2637, 3195, 4395, 5751, 7911, 9585, 13185, 20803, 23733, 28755, 39555, 62409, 104015, 118665, 187227, 312045, 561681, 936135, 1685043, 2808405, 8425215]

約数ペア:

[(1, 8425215), (3, 2808405), (5, 1685043), (9, 936135), (15, 561681), (27, 312045), (45, 187227), (71, 118665), (81, 104015), (135, 62409), (213, 39555), (293, 28755), (355, 23733), (405, 20803), (639, 13185), (879, 9585), (1065, 7911), (1465, 5751), (1917, 4395), (2637, 3195)]