1791520209

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 2774753280

約数和(自身を除く): 983233071

約数列:

[1, 3, 9, 23, 69, 71, 79, 207, 213, 237, 639, 711, 1543, 1633, 1817, 4629, 4899, 5451, 5609, 13887, 14697, 16353, 16827, 35489, 50481, 106467, 109553, 121897, 129007, 319401, 328659, 365691, 387021, 985977, 1097073, 1161063, 2519719, 2803631, 7559157, 8410893, 8654687, 22677471, 25232679, 25964061, 77892183, 199057801, 597173403, 1791520209]

約数ペア:

[(1, 1791520209), (3, 597173403), (9, 199057801), (23, 77892183), (69, 25964061), (71, 25232679), (79, 22677471), (207, 8654687), (213, 8410893), (237, 7559157), (639, 2803631), (711, 2519719), (1543, 1161063), (1633, 1097073), (1817, 985977), (4629, 387021), (4899, 365691), (5451, 328659), (5609, 319401), (13887, 129007), (14697, 121897), (16353, 109553), (16827, 106467), (35489, 50481)]