388614915

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2442

約数の個数: 80

約数和(自身を含む): 774740736

約数和(自身を除く): 386125821

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 195, 279, 351, 403, 405, 465, 585, 837, 1053, 1209, 1395, 1755, 2015, 2381, 2511, 3627, 4185, 5265, 6045, 7143, 10881, 11905, 12555, 18135, 21429, 30953, 32643, 35715, 54405, 64287, 73811, 92859, 107145, 154765, 163215, 192861, 221433, 278577, 321435, 369055, 464295, 664299, 835731, 959543, 964305, 1107165, 1392885, 1992897, 2507193, 2878629, 3321495, 4178655, 4797715, 5978691, 8635887, 9964485, 12535965, 14393145, 25907661, 29893455, 43179435, 77722983, 129538305, 388614915]

約数ペア:

[(1, 388614915), (3, 129538305), (5, 77722983), (9, 43179435), (13, 29893455), (15, 25907661), (27, 14393145), (31, 12535965), (39, 9964485), (45, 8635887), (65, 5978691), (81, 4797715), (93, 4178655), (117, 3321495), (135, 2878629), (155, 2507193), (195, 1992897), (279, 1392885), (351, 1107165), (403, 964305), (405, 959543), (465, 835731), (585, 664299), (837, 464295), (1053, 369055), (1209, 321435), (1395, 278577), (1755, 221433), (2015, 192861), (2381, 163215), (2511, 154765), (3627, 107145), (4185, 92859), (5265, 73811), (6045, 64287), (7143, 54405), (10881, 35715), (11905, 32643), (12555, 30953), (18135, 21429)]