13945815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 12961065

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 769, 1209, 1395, 2015, 2307, 3627, 3845, 6045, 6921, 9997, 11535, 18135, 23839, 29991, 34605, 49985, 71517, 89973, 119195, 149955, 214551, 309907, 357585, 449865, 929721, 1072755, 1549535, 2789163, 4648605, 13945815]

約数ペア:

[(1, 13945815), (3, 4648605), (5, 2789163), (9, 1549535), (13, 1072755), (15, 929721), (31, 449865), (39, 357585), (45, 309907), (65, 214551), (93, 149955), (117, 119195), (155, 89973), (195, 71517), (279, 49985), (403, 34605), (465, 29991), (585, 23839), (769, 18135), (1209, 11535), (1395, 9997), (2015, 6921), (2307, 6045), (3627, 3845)]