870518.0000000

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 6547968

約数和(自身を除く): 2627961

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 173, 249, 273, 519, 581, 1079, 1211, 1743, 2249, 3237, 3633, 6747, 7553, 14359, 15743, 22659, 43077, 47229, 100513, 186667, 301539, 560001, 1306669, 3920007]

約数ペア:

[(1, 3920007), (3, 1306669), (7, 560001), (13, 301539), (21, 186667), (39, 100513), (83, 47229), (91, 43077), (173, 22659), (249, 15743), (273, 14359), (519, 7553), (581, 6747), (1079, 3633), (1211, 3237), (1743, 2249)]