889963221

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 1447018496

約数和(自身を除く): 557055275

約数列:

[1, 3, 7, 21, 31, 61, 73, 93, 183, 217, 219, 307, 427, 511, 651, 921, 1281, 1533, 1891, 2149, 2263, 4453, 5673, 6447, 6789, 9517, 13237, 13359, 15841, 18727, 22411, 28551, 31171, 39711, 47523, 56181, 66619, 67233, 93513, 131089, 138043, 156877, 199857, 393267, 414129, 470631, 580537, 694741, 966301, 1367071, 1741611, 2084223, 2898903, 4063759, 4101213, 4863187, 9569497, 12191277, 14589561, 28708491, 42379201, 127137603, 296654407, 889963221]

約数ペア:

[(1, 889963221), (3, 296654407), (7, 127137603), (21, 42379201), (31, 28708491), (61, 14589561), (73, 12191277), (93, 9569497), (183, 4863187), (217, 4101213), (219, 4063759), (307, 2898903), (427, 2084223), (511, 1741611), (651, 1367071), (921, 966301), (1281, 694741), (1533, 580537), (1891, 470631), (2149, 414129), (2263, 393267), (4453, 199857), (5673, 156877), (6447, 138043), (6789, 131089), (9517, 93513), (13237, 67233), (13359, 66619), (15841, 56181), (18727, 47523), (22411, 39711), (28551, 31171)]