245471805

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 443692080

約数和(自身を除く): 198220275

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 137, 145, 261, 411, 435, 685, 1233, 1305, 1373, 2055, 3973, 4119, 6165, 6865, 11919, 12357, 19865, 20595, 35757, 39817, 59595, 61785, 119451, 178785, 188101, 199085, 358353, 564303, 597255, 940505, 1692909, 1791765, 2821515, 5454929, 8464545, 16364787, 27274645, 49094361, 81823935, 245471805]

約数ペア:

[(1, 245471805), (3, 81823935), (5, 49094361), (9, 27274645), (15, 16364787), (29, 8464545), (45, 5454929), (87, 2821515), (137, 1791765), (145, 1692909), (261, 940505), (411, 597255), (435, 564303), (685, 358353), (1233, 199085), (1305, 188101), (1373, 178785), (2055, 119451), (3973, 61785), (4119, 59595), (6165, 39817), (6865, 35757), (11919, 20595), (12357, 19865)]