81105843

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12917}}^1$

素因数の和:12963

約数の個数: 32

約数和(自身を含む): 138894336

約数和(自身を除く): 57788493

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 12917, 38751, 90419, 167921, 271257, 297091, 503763, 891273, 1175447, 2079637, 3526341, 3862183, 6238911, 11586549, 27035281, 81105843]

約数ペア:

[(1, 81105843), (3, 27035281), (7, 11586549), (13, 6238911), (21, 3862183), (23, 3526341), (39, 2079637), (69, 1175447), (91, 891273), (161, 503763), (273, 297091), (299, 271257), (483, 167921), (897, 90419), (2093, 38751), (6279, 12917)]