28389615

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7919}}^1$

素因数の和:8166

約数の個数: 16

約数和(自身を含む): 45619200

約数和(自身を除く): 17229585

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 7919, 23757, 39595, 118785, 1892641, 5677923, 9463205, 28389615]

約数ペア:

[(1, 28389615), (3, 9463205), (5, 5677923), (15, 1892641), (239, 118785), (717, 39595), (1195, 23757), (3585, 7919)]