28972827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8539}}^1$

素因数の和:8587

約数の個数: 24

約数和(自身を含む): 46628400

約数和(自身を除く): 17655573

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 8539, 25617, 76851, 111007, 247631, 333021, 742893, 999063, 2228679, 3219203, 9657609, 28972827]

約数ペア:

[(1, 28972827), (3, 9657609), (9, 3219203), (13, 2228679), (29, 999063), (39, 742893), (87, 333021), (117, 247631), (261, 111007), (377, 76851), (1131, 25617), (3393, 8539)]