71738247

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 41802873

約数列:

[1, 3, 7, 21, 31, 93, 217, 263, 419, 651, 789, 1257, 1841, 2933, 5523, 8153, 8799, 12989, 24459, 38967, 57071, 90923, 110197, 171213, 272769, 330591, 771379, 2314137, 3416107, 10248321, 23912749, 71738247]

約数ペア:

[(1, 71738247), (3, 23912749), (7, 10248321), (21, 3416107), (31, 2314137), (93, 771379), (217, 330591), (263, 272769), (419, 171213), (651, 110197), (789, 90923), (1257, 57071), (1841, 38967), (2933, 24459), (5523, 12989), (8153, 8799)]