207828261

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 317813760

約数和(自身を除く): 109985499

約数列:

[1, 3, 9, 27, 81, 89, 127, 227, 267, 381, 681, 801, 1143, 2043, 2403, 3429, 6129, 7209, 10287, 11303, 18387, 20203, 28829, 33909, 60609, 86487, 101727, 181827, 259461, 305181, 545481, 778383, 915543, 1636443, 2335149, 2565781, 7697343, 23092029, 69276087, 207828261]

約数ペア:

[(1, 207828261), (3, 69276087), (9, 23092029), (27, 7697343), (81, 2565781), (89, 2335149), (127, 1636443), (227, 915543), (267, 778383), (381, 545481), (681, 305181), (801, 259461), (1143, 181827), (2043, 101727), (2403, 86487), (3429, 60609), (6129, 33909), (7209, 28829), (10287, 20203), (11303, 18387)]