27558783

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 47763456

約数和(自身を除く): 20204673

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 103, 137, 217, 279, 309, 411, 651, 721, 927, 959, 1233, 1953, 2163, 2877, 3193, 4247, 6489, 8631, 9579, 12741, 14111, 22351, 28737, 29729, 38223, 42333, 67053, 89187, 98777, 126999, 201159, 267561, 296331, 437441, 888993, 1312323, 3062087, 3936969, 9186261, 27558783]

約数ペア:

[(1, 27558783), (3, 9186261), (7, 3936969), (9, 3062087), (21, 1312323), (31, 888993), (63, 437441), (93, 296331), (103, 267561), (137, 201159), (217, 126999), (279, 98777), (309, 89187), (411, 67053), (651, 42333), (721, 38223), (927, 29729), (959, 28737), (1233, 22351), (1953, 14111), (2163, 12741), (2877, 9579), (3193, 8631), (4247, 6489)]