13987515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 24952320

約数和(自身を除く): 10964805

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 2887, 4845, 8661, 14435, 43305, 49079, 54853, 147237, 164559, 245395, 274265, 736185, 822795, 932501, 2797503, 4662505, 13987515]

約数ペア:

[(1, 13987515), (3, 4662505), (5, 2797503), (15, 932501), (17, 822795), (19, 736185), (51, 274265), (57, 245395), (85, 164559), (95, 147237), (255, 54853), (285, 49079), (323, 43305), (969, 14435), (1615, 8661), (2887, 4845)]