28931147

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 33736704

約数和(自身を除く): 4805557

約数列:

[1, 7, 101, 151, 271, 707, 1057, 1897, 15251, 27371, 40921, 106757, 191597, 286447, 4133021, 28931147]

約数ペア:

[(1, 28931147), (7, 4133021), (101, 286447), (151, 191597), (271, 106757), (707, 40921), (1057, 27371), (1897, 15251)]