55555281

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 86641920

約数和(自身を除く): 31086639

約数列:

[1, 3, 9, 23, 27, 69, 137, 207, 411, 621, 653, 1233, 1959, 3151, 3699, 5877, 9453, 15019, 17631, 28359, 45057, 85077, 89461, 135171, 268383, 405513, 805149, 2057603, 2415447, 6172809, 18518427, 55555281]

約数ペア:

[(1, 55555281), (3, 18518427), (9, 6172809), (23, 2415447), (27, 2057603), (69, 805149), (137, 405513), (207, 268383), (411, 135171), (621, 89461), (653, 85077), (1233, 45057), (1959, 28359), (3151, 17631), (3699, 15019), (5877, 9453)]