30527721

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 52715520

約数和(自身を除く): 22187799

約数列:

[1, 3, 7, 9, 21, 43, 59, 63, 129, 177, 191, 301, 387, 413, 531, 573, 903, 1239, 1337, 1719, 2537, 2709, 3717, 4011, 7611, 8213, 11269, 12033, 17759, 22833, 24639, 33807, 53277, 57491, 73917, 78883, 101421, 159831, 172473, 236649, 484567, 517419, 709947, 1453701, 3391969, 4361103, 10175907, 30527721]

約数ペア:

[(1, 30527721), (3, 10175907), (7, 4361103), (9, 3391969), (21, 1453701), (43, 709947), (59, 517419), (63, 484567), (129, 236649), (177, 172473), (191, 159831), (301, 101421), (387, 78883), (413, 73917), (531, 57491), (573, 53277), (903, 33807), (1239, 24639), (1337, 22833), (1719, 17759), (2537, 12033), (2709, 11269), (3717, 8213), (4011, 7611)]