987872.0000000

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 5481216

約数和(自身を除く): 2887911

約数列:

[1, 3, 5, 9, 11, 13, 15, 31, 33, 39, 45, 55, 65, 93, 99, 117, 143, 155, 165, 169, 195, 279, 341, 403, 429, 465, 495, 507, 585, 715, 845, 1023, 1209, 1287, 1395, 1521, 1705, 1859, 2015, 2145, 2535, 3069, 3627, 4433, 5115, 5239, 5577, 6045, 6435, 7605, 9295, 13299, 15345, 15717, 16731, 18135, 22165, 26195, 27885, 39897, 47151, 57629, 66495, 78585, 83655, 172887, 199485, 235755, 288145, 518661, 864435, 2593305]

約数ペア:

[(1, 2593305), (3, 864435), (5, 518661), (9, 288145), (11, 235755), (13, 199485), (15, 172887), (31, 83655), (33, 78585), (39, 66495), (45, 57629), (55, 47151), (65, 39897), (93, 27885), (99, 26195), (117, 22165), (143, 18135), (155, 16731), (165, 15717), (169, 15345), (195, 13299), (279, 9295), (341, 7605), (403, 6435), (429, 6045), (465, 5577), (495, 5239), (507, 5115), (585, 4433), (715, 3627), (845, 3069), (1023, 2535), (1209, 2145), (1287, 2015), (1395, 1859), (1521, 1705)]