78250851

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 134983680

約数和(自身を除く): 56732829

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 103, 217, 279, 309, 389, 651, 721, 927, 1167, 1953, 2163, 2723, 3193, 3501, 6489, 8169, 9579, 12059, 22351, 24507, 28737, 36177, 40067, 67053, 84413, 108531, 120201, 201159, 253239, 280469, 360603, 759717, 841407, 1242077, 2524221, 3726231, 8694539, 11178693, 26083617, 78250851]

約数ペア:

[(1, 78250851), (3, 26083617), (7, 11178693), (9, 8694539), (21, 3726231), (31, 2524221), (63, 1242077), (93, 841407), (103, 759717), (217, 360603), (279, 280469), (309, 253239), (389, 201159), (651, 120201), (721, 108531), (927, 84413), (1167, 67053), (1953, 40067), (2163, 36177), (2723, 28737), (3193, 24507), (3501, 22351), (6489, 12059), (8169, 9579)]