217551411

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13649}}^1$

素因数の和:13696

約数の個数: 48

約数和(自身を含む): 408844800

約数和(自身を除く): 191293389

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, 13649, 15939, 40947, 95543, 122841, 150139, 286629, 313927, 450417, 859887, 941781, 1050973, 1351251, 2197489, 2825343, 3152919, 3453197, 6592467, 9458757, 10359591, 19777401, 24172379, 31078773, 72517137, 217551411]

約数ペア:

[(1, 217551411), (3, 72517137), (7, 31078773), (9, 24172379), (11, 19777401), (21, 10359591), (23, 9458757), (33, 6592467), (63, 3453197), (69, 3152919), (77, 2825343), (99, 2197489), (161, 1351251), (207, 1050973), (231, 941781), (253, 859887), (483, 450417), (693, 313927), (759, 286629), (1449, 150139), (1771, 122841), (2277, 95543), (5313, 40947), (13649, 15939)]