87291477

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2011}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 158191488

約数和(自身を除く): 70900011

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 477, 689, 819, 1113, 2011, 2067, 3339, 4823, 6033, 6201, 14077, 14469, 18099, 26143, 42231, 43407, 78429, 106583, 126693, 183001, 235287, 319749, 549003, 746081, 959247, 1385579, 1647009, 2238243, 4156737, 6714729, 9699053, 12470211, 29097159, 87291477]

約数ペア:

[(1, 87291477), (3, 29097159), (7, 12470211), (9, 9699053), (13, 6714729), (21, 4156737), (39, 2238243), (53, 1647009), (63, 1385579), (91, 959247), (117, 746081), (159, 549003), (273, 319749), (371, 235287), (477, 183001), (689, 126693), (819, 106583), (1113, 78429), (2011, 43407), (2067, 42231), (3339, 26143), (4823, 18099), (6033, 14469), (6201, 14077)]