217870191

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13669}}^1$

素因数の和:13716

約数の個数: 48

約数和(自身を含む): 409443840

約数和(自身を除く): 191573649

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 2277, 5313, 13669, 15939, 41007, 95683, 123021, 150359, 287049, 314387, 451077, 861147, 943161, 1052513, 1353231, 2200709, 2829483, 3157539, 3458257, 6602127, 9472617, 10374771, 19806381, 24207799, 31124313, 72623397, 217870191]

約数ペア:

[(1, 217870191), (3, 72623397), (7, 31124313), (9, 24207799), (11, 19806381), (21, 10374771), (23, 9472617), (33, 6602127), (63, 3458257), (69, 3157539), (77, 2829483), (99, 2200709), (161, 1353231), (207, 1052513), (231, 943161), (253, 861147), (483, 451077), (693, 314387), (759, 287049), (1449, 150359), (1771, 123021), (2277, 95683), (5313, 41007), (13669, 15939)]