28991973

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 39456000

約数和(自身を除く): 10464027

約数列:

[1, 3, 79, 149, 237, 447, 821, 2463, 11771, 35313, 64859, 122329, 194577, 366987, 9663991, 28991973]

約数ペア:

[(1, 28991973), (3, 9663991), (79, 366987), (149, 194577), (237, 122329), (447, 64859), (821, 35313), (2463, 11771)]