240327

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 384384

約数和(自身を除く): 144057

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 243, 387, 621, 989, 1161, 1863, 2967, 3483, 5589, 8901, 10449, 26703, 80109, 240327]

約数ペア:

[(1, 240327), (3, 80109), (9, 26703), (23, 10449), (27, 8901), (43, 5589), (69, 3483), (81, 2967), (129, 1863), (207, 1161), (243, 989), (387, 621)]