71290989

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 63078291

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 63, 77, 99, 159, 189, 231, 297, 371, 477, 583, 647, 693, 1113, 1431, 1749, 1941, 2079, 3339, 4081, 4529, 5247, 5823, 7117, 10017, 12243, 13587, 15741, 17469, 21351, 34291, 36729, 40761, 49819, 64053, 102873, 110187, 122283, 149457, 192159, 240037, 308619, 377201, 448371, 720111, 925857, 1131603, 1345113, 2160333, 2640407, 3394809, 6480999, 7921221, 10184427, 23763663, 71290989]

約数ペア:

[(1, 71290989), (3, 23763663), (7, 10184427), (9, 7921221), (11, 6480999), (21, 3394809), (27, 2640407), (33, 2160333), (53, 1345113), (63, 1131603), (77, 925857), (99, 720111), (159, 448371), (189, 377201), (231, 308619), (297, 240037), (371, 192159), (477, 149457), (583, 122283), (647, 110187), (693, 102873), (1113, 64053), (1431, 49819), (1749, 40761), (1941, 36729), (2079, 34291), (3339, 21351), (4081, 17469), (4529, 15741), (5247, 13587), (5823, 12243), (7117, 10017)]