91821681

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 164097024

約数和(自身を除く): 72275343

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 1449, 1701, 1863, 2347, 4347, 5589, 7041, 13041, 16429, 21123, 39123, 49287, 53981, 63369, 147861, 161943, 190107, 377867, 443583, 485829, 570321, 1133601, 1330749, 1457487, 3400803, 3992247, 4372461, 10202409, 13117383, 30607227, 91821681]

約数ペア:

[(1, 91821681), (3, 30607227), (7, 13117383), (9, 10202409), (21, 4372461), (23, 3992247), (27, 3400803), (63, 1457487), (69, 1330749), (81, 1133601), (161, 570321), (189, 485829), (207, 443583), (243, 377867), (483, 190107), (567, 161943), (621, 147861), (1449, 63369), (1701, 53981), (1863, 49287), (2347, 39123), (4347, 21123), (5589, 16429), (7041, 13041)]