28703871

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26801}}^1$

素因数の和:26831

約数の個数: 24

約数和(自身を含む): 50173344

約数和(自身を除く): 21469473

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26801, 80403, 187607, 241209, 455617, 562821, 1366851, 1688463, 3189319, 4100553, 9567957, 28703871]

約数ペア:

[(1, 28703871), (3, 9567957), (7, 4100553), (9, 3189319), (17, 1688463), (21, 1366851), (51, 562821), (63, 455617), (119, 241209), (153, 187607), (357, 80403), (1071, 26801)]