2947995

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 5488560

約数和(自身を除く): 2540565

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 251, 261, 405, 435, 753, 783, 1255, 1305, 2259, 2349, 3765, 3915, 6777, 7279, 11295, 11745, 20331, 21837, 33885, 36395, 65511, 101655, 109185, 196533, 327555, 589599, 982665, 2947995]

約数ペア:

[(1, 2947995), (3, 982665), (5, 589599), (9, 327555), (15, 196533), (27, 109185), (29, 101655), (45, 65511), (81, 36395), (87, 33885), (135, 21837), (145, 20331), (251, 11745), (261, 11295), (405, 7279), (435, 6777), (753, 3915), (783, 3765), (1255, 2349), (1305, 2259)]