291209877

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2231

約数の個数: 64

約数和(自身を含む): 531333120

約数和(自身を除く): 240123243

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 161, 189, 207, 217, 279, 483, 621, 651, 713, 837, 1449, 1953, 2139, 2161, 4347, 4991, 5859, 6417, 6483, 14973, 15127, 19251, 19449, 44919, 45381, 49703, 58347, 66991, 134757, 136143, 149109, 200973, 347921, 408429, 447327, 468937, 602919, 1043763, 1341981, 1406811, 1540793, 1808757, 3131289, 4220433, 4622379, 9393867, 10785551, 12661299, 13867137, 32356653, 41601411, 97069959, 291209877]

約数ペア:

[(1, 291209877), (3, 97069959), (7, 41601411), (9, 32356653), (21, 13867137), (23, 12661299), (27, 10785551), (31, 9393867), (63, 4622379), (69, 4220433), (93, 3131289), (161, 1808757), (189, 1540793), (207, 1406811), (217, 1341981), (279, 1043763), (483, 602919), (621, 468937), (651, 447327), (713, 408429), (837, 347921), (1449, 200973), (1953, 149109), (2139, 136143), (2161, 134757), (4347, 66991), (4991, 58347), (5859, 49703), (6417, 45381), (6483, 44919), (14973, 19449), (15127, 19251)]