2309355

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 4386720

約数和(自身を除く): 2077365

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 73, 95, 111, 171, 185, 219, 285, 333, 365, 555, 657, 703, 855, 1095, 1387, 1665, 2109, 2701, 3285, 3515, 4161, 6327, 6935, 8103, 10545, 12483, 13505, 20805, 24309, 31635, 40515, 51319, 62415, 121545, 153957, 256595, 461871, 769785, 2309355]

約数ペア:

[(1, 2309355), (3, 769785), (5, 461871), (9, 256595), (15, 153957), (19, 121545), (37, 62415), (45, 51319), (57, 40515), (73, 31635), (95, 24309), (111, 20805), (171, 13505), (185, 12483), (219, 10545), (285, 8103), (333, 6935), (365, 6327), (555, 4161), (657, 3515), (703, 3285), (855, 2701), (1095, 2109), (1387, 1665)]