28281243

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 38304000

約数和(自身を除く): 10022757

約数列:

[1, 3, 149, 151, 419, 447, 453, 1257, 22499, 62431, 63269, 67497, 187293, 189807, 9427081, 28281243]

約数ペア:

[(1, 28281243), (3, 9427081), (149, 189807), (151, 187293), (419, 67497), (447, 63269), (453, 62431), (1257, 22499)]