2021605947

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 3116000160

約数和(自身を除く): 1094394213

約数列:

[1, 3, 9, 19, 57, 157, 171, 257, 293, 471, 771, 879, 1413, 2313, 2637, 2983, 4883, 5567, 8949, 14649, 16701, 26847, 40349, 43947, 46001, 50103, 75301, 121047, 138003, 225903, 363141, 414009, 677709, 766631, 874019, 1430719, 2299893, 2622057, 4292157, 6899679, 7866171, 11822257, 12876471, 35466771, 106400313, 224622883, 673868649, 2021605947]

約数ペア:

[(1, 2021605947), (3, 673868649), (9, 224622883), (19, 106400313), (57, 35466771), (157, 12876471), (171, 11822257), (257, 7866171), (293, 6899679), (471, 4292157), (771, 2622057), (879, 2299893), (1413, 1430719), (2313, 874019), (2637, 766631), (2983, 677709), (4883, 414009), (5567, 363141), (8949, 225903), (14649, 138003), (16701, 121047), (26847, 75301), (40349, 50103), (43947, 46001)]