28679973

素因数分解:

$3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{5077}}^1$

素因数の和:5356

約数の個数: 16

約数和(自身を含む): 43873920

約数和(自身を除く): 15193947

約数列:

[1, 3, 7, 21, 269, 807, 1883, 5077, 5649, 15231, 35539, 106617, 1365713, 4097139, 9559991, 28679973]

約数ペア:

[(1, 28679973), (3, 9559991), (7, 4097139), (21, 1365713), (269, 106617), (807, 35539), (1883, 15231), (5077, 5649)]