28970109

素因数分解:

$3^3\times 7^1\times {\mathrm{153281}}^1$

素因数の和:153297

約数の個数: 16

約数和(自身を含む): 49050240

約数和(自身を除く): 20080131

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 153281, 459843, 1072967, 1379529, 3218901, 4138587, 9656703, 28970109]

約数ペア:

[(1, 28970109), (3, 9656703), (7, 4138587), (9, 3218901), (21, 1379529), (27, 1072967), (63, 459843), (189, 153281)]