988011

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 1605120

約数和(自身を除く): 617109

約数列:

[1, 3, 9, 23, 27, 37, 43, 69, 111, 129, 207, 333, 387, 621, 851, 989, 999, 1161, 1591, 2553, 2967, 4773, 7659, 8901, 14319, 22977, 26703, 36593, 42957, 109779, 329337, 988011]

約数ペア:

[(1, 988011), (3, 329337), (9, 109779), (23, 42957), (27, 36593), (37, 26703), (43, 22977), (69, 14319), (111, 8901), (129, 7659), (207, 4773), (333, 2967), (387, 2553), (621, 1591), (851, 1161), (989, 999)]