81285657

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 118056960

約数和(自身を除く): 36771303

約数列:

[1, 3, 23, 41, 59, 69, 123, 177, 487, 943, 1357, 1461, 2419, 2829, 4071, 7257, 11201, 19967, 28733, 33603, 55637, 59901, 86199, 166911, 459241, 660859, 1178053, 1377723, 1982577, 3534159, 27095219, 81285657]

約数ペア:

[(1, 81285657), (3, 27095219), (23, 3534159), (41, 1982577), (59, 1377723), (69, 1178053), (123, 660859), (177, 459241), (487, 166911), (943, 86199), (1357, 59901), (1461, 55637), (2419, 33603), (2829, 28733), (4071, 19967), (7257, 11201)]