279779199

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 479846400

約数和(自身を除く): 200067201

約数列:

[1, 3, 7, 19, 21, 23, 43, 57, 69, 129, 133, 161, 301, 399, 437, 483, 709, 817, 903, 989, 1311, 2127, 2451, 2967, 3059, 4963, 5719, 6923, 9177, 13471, 14889, 16307, 17157, 18791, 20769, 30487, 40413, 48921, 56373, 91461, 94297, 114149, 131537, 213409, 282891, 309833, 342447, 394611, 579253, 640227, 701201, 929499, 1737759, 2103603, 2168831, 4054771, 4908407, 6506493, 12164313, 13322819, 14725221, 39968457, 93259733, 279779199]

約数ペア:

[(1, 279779199), (3, 93259733), (7, 39968457), (19, 14725221), (21, 13322819), (23, 12164313), (43, 6506493), (57, 4908407), (69, 4054771), (129, 2168831), (133, 2103603), (161, 1737759), (301, 929499), (399, 701201), (437, 640227), (483, 579253), (709, 394611), (817, 342447), (903, 309833), (989, 282891), (1311, 213409), (2127, 131537), (2451, 114149), (2967, 94297), (3059, 91461), (4963, 56373), (5719, 48921), (6923, 40413), (9177, 30487), (13471, 20769), (14889, 18791), (16307, 17157)]