2643287409

素因数分解:

$3^2\times 7^2\times {\mathrm{5993849}}^1$

素因数の和:5993869

約数の個数: 18

約数和(自身を含む): 4441442850

約数和(自身を除く): 1798155441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 5993849, 17981547, 41956943, 53944641, 125870829, 293698601, 377612487, 881095803, 2643287409]

約数ペア:

[(1, 2643287409), (3, 881095803), (7, 377612487), (9, 293698601), (21, 125870829), (49, 53944641), (63, 41956943), (147, 17981547), (441, 5993849)]