13144257

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 23296000

約数和(自身を除く): 10151743

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 79, 133, 139, 171, 237, 399, 417, 553, 711, 973, 1197, 1251, 1501, 1659, 2641, 2919, 4503, 4977, 7923, 8757, 10507, 10981, 13509, 18487, 23769, 31521, 32943, 55461, 76867, 94563, 98829, 166383, 208639, 230601, 625917, 691803, 1460473, 1877751, 4381419, 13144257]

約数ペア:

[(1, 13144257), (3, 4381419), (7, 1877751), (9, 1460473), (19, 691803), (21, 625917), (57, 230601), (63, 208639), (79, 166383), (133, 98829), (139, 94563), (171, 76867), (237, 55461), (399, 32943), (417, 31521), (553, 23769), (711, 18487), (973, 13509), (1197, 10981), (1251, 10507), (1501, 8757), (1659, 7923), (2641, 4977), (2919, 4503)]