81384264

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9661}}^1$

素因数の和:9692

約数の個数: 80

約数和(自身を含む): 245511420

約数和(自身を除く): 164127156

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 9661, 19322, 28983, 38644, 57966, 77288, 86949, 115932, 125593, 173898, 231864, 251186, 260847, 347796, 376779, 502372, 521694, 695592, 753558, 782541, 1004744, 1043388, 1130337, 1507116, 1565082, 2086776, 2260674, 3014232, 3130164, 3391011, 4521348, 6260328, 6782022, 9042696, 10173033, 13564044, 20346066, 27128088, 40692132, 81384264]

約数ペア:

[(1, 81384264), (2, 40692132), (3, 27128088), (4, 20346066), (6, 13564044), (8, 10173033), (9, 9042696), (12, 6782022), (13, 6260328), (18, 4521348), (24, 3391011), (26, 3130164), (27, 3014232), (36, 2260674), (39, 2086776), (52, 1565082), (54, 1507116), (72, 1130337), (78, 1043388), (81, 1004744), (104, 782541), (108, 753558), (117, 695592), (156, 521694), (162, 502372), (216, 376779), (234, 347796), (312, 260847), (324, 251186), (351, 231864), (468, 173898), (648, 125593), (702, 115932), (936, 86949), (1053, 77288), (1404, 57966), (2106, 38644), (2808, 28983), (4212, 19322), (8424, 9661)]