254241477

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1493}}^1$

素因数の和:1579

約数の個数: 64

約数和(自身を含む): 464693760

約数和(自身を除く): 210452283

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 53, 63, 119, 153, 159, 189, 357, 371, 459, 477, 901, 1071, 1113, 1431, 1493, 2703, 3213, 3339, 4479, 6307, 8109, 10017, 10451, 13437, 18921, 24327, 25381, 31353, 40311, 56763, 76143, 79129, 94059, 170289, 177667, 228429, 237387, 282177, 533001, 553903, 685287, 712161, 1345193, 1599003, 1661709, 2136483, 4035579, 4797009, 4985127, 9416351, 12106737, 14955381, 28249053, 36320211, 84747159, 254241477]

約数ペア:

[(1, 254241477), (3, 84747159), (7, 36320211), (9, 28249053), (17, 14955381), (21, 12106737), (27, 9416351), (51, 4985127), (53, 4797009), (63, 4035579), (119, 2136483), (153, 1661709), (159, 1599003), (189, 1345193), (357, 712161), (371, 685287), (459, 553903), (477, 533001), (901, 282177), (1071, 237387), (1113, 228429), (1431, 177667), (1493, 170289), (2703, 94059), (3213, 79129), (3339, 76143), (4479, 56763), (6307, 40311), (8109, 31353), (10017, 25381), (10451, 24327), (13437, 18921)]