2006109

素因数分解:

$3^2\times 7^2\times {\mathrm{4549}}^1$

素因数の和:4569

約数の個数: 18

約数和(自身を含む): 3371550

約数和(自身を除く): 1365441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4549, 13647, 31843, 40941, 95529, 222901, 286587, 668703, 2006109]

約数ペア:

[(1, 2006109), (3, 668703), (7, 286587), (9, 222901), (21, 95529), (49, 40941), (63, 31843), (147, 13647), (441, 4549)]