28703031

素因数分解:

$3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5197}}^1$

素因数の和:5470

約数の個数: 16

約数和(自身を含む): 43912704

約数和(自身を除く): 15209673

約数列:

[1, 3, 7, 21, 263, 789, 1841, 5197, 5523, 15591, 36379, 109137, 1366811, 4100433, 9567677, 28703031]

約数ペア:

[(1, 28703031), (3, 9567677), (7, 4100433), (21, 1366811), (263, 109137), (789, 36379), (1841, 15591), (5197, 5523)]