143203221

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 260198400

約数和(自身を除く): 116995179

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 79, 81, 139, 161, 189, 207, 237, 417, 483, 553, 567, 621, 711, 973, 1251, 1449, 1659, 1817, 1863, 2133, 2919, 3197, 3753, 4347, 4977, 5451, 6399, 8757, 9591, 10981, 11259, 12719, 13041, 14931, 16353, 22379, 26271, 28773, 32943, 38157, 44793, 49059, 67137, 76867, 78813, 86319, 98829, 114471, 147177, 201411, 230601, 252563, 258957, 296487, 343413, 604233, 691803, 757689, 889461, 1030239, 1767941, 1812699, 2075409, 2273067, 5303823, 6226227, 6819201, 15911469, 20457603, 47734407, 143203221]

約数ペア:

[(1, 143203221), (3, 47734407), (7, 20457603), (9, 15911469), (21, 6819201), (23, 6226227), (27, 5303823), (63, 2273067), (69, 2075409), (79, 1812699), (81, 1767941), (139, 1030239), (161, 889461), (189, 757689), (207, 691803), (237, 604233), (417, 343413), (483, 296487), (553, 258957), (567, 252563), (621, 230601), (711, 201411), (973, 147177), (1251, 114471), (1449, 98829), (1659, 86319), (1817, 78813), (1863, 76867), (2133, 67137), (2919, 49059), (3197, 44793), (3753, 38157), (4347, 32943), (4977, 28773), (5451, 26271), (6399, 22379), (8757, 16353), (9591, 14931), (10981, 13041), (11259, 12719)]