991996389

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{743}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 1516724352

約数和(自身を除く): 524727963

約数列:

[1, 3, 9, 27, 53, 81, 159, 311, 477, 743, 933, 1431, 2229, 2799, 4293, 6687, 8397, 16483, 20061, 25191, 39379, 49449, 60183, 118137, 148347, 231073, 354411, 445041, 693219, 1063233, 1335123, 2079657, 3189699, 6238971, 12246869, 18716913, 36740607, 110221821, 330665463, 991996389]

約数ペア:

[(1, 991996389), (3, 330665463), (9, 110221821), (27, 36740607), (53, 18716913), (81, 12246869), (159, 6238971), (311, 3189699), (477, 2079657), (743, 1335123), (933, 1063233), (1431, 693219), (2229, 445041), (2799, 354411), (4293, 231073), (6687, 148347), (8397, 118137), (16483, 60183), (20061, 49449), (25191, 39379)]