77405139

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 132979968

約数和(自身を除く): 55574829

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 567, 633, 647, 1477, 1899, 1941, 4431, 4529, 5697, 5823, 13293, 13587, 17091, 17469, 39879, 40761, 52407, 119637, 122283, 136517, 366849, 409551, 955619, 1228653, 2866857, 3685959, 8600571, 11057877, 25801713, 77405139]

約数ペア:

[(1, 77405139), (3, 25801713), (7, 11057877), (9, 8600571), (21, 3685959), (27, 2866857), (63, 1228653), (81, 955619), (189, 409551), (211, 366849), (567, 136517), (633, 122283), (647, 119637), (1477, 52407), (1899, 40761), (1941, 39879), (4431, 17469), (4529, 17091), (5697, 13587), (5823, 13293)]