13720135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 19998720

約数和(自身を除く): 6278585

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 619, 715, 1705, 2015, 3095, 4433, 6809, 8047, 19189, 22165, 34045, 40235, 88517, 95945, 211079, 249457, 442585, 1055395, 1247285, 2744027, 13720135]

約数ペア:

[(1, 13720135), (5, 2744027), (11, 1247285), (13, 1055395), (31, 442585), (55, 249457), (65, 211079), (143, 95945), (155, 88517), (341, 40235), (403, 34045), (619, 22165), (715, 19189), (1705, 8047), (2015, 6809), (3095, 4433)]