26728863

素因数分解:

$3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 41655600

約数和(自身を除く): 14926737

約数列:

[1, 3, 7, 21, 49, 147, 349, 521, 1047, 1563, 2443, 3647, 7329, 10941, 17101, 25529, 51303, 76587, 181829, 545487, 1272803, 3818409, 8909621, 26728863]

約数ペア:

[(1, 26728863), (3, 8909621), (7, 3818409), (21, 1272803), (49, 545487), (147, 181829), (349, 76587), (521, 51303), (1047, 25529), (1563, 17101), (2443, 10941), (3647, 7329)]