388325637

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7159}}^1$

素因数の和:7223

約数の個数: 48

約数和(自身を含む): 685641600

約数和(自身を除く): 297315963

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 861, 1107, 1323, 2009, 2583, 6027, 7159, 7749, 18081, 21477, 50113, 54243, 64431, 150339, 193293, 293519, 350791, 451017, 880557, 1052373, 1353051, 2054633, 2641671, 3157119, 6163899, 7925013, 9471357, 14382431, 18491697, 43147293, 55475091, 129441879, 388325637]

約数ペア:

[(1, 388325637), (3, 129441879), (7, 55475091), (9, 43147293), (21, 18491697), (27, 14382431), (41, 9471357), (49, 7925013), (63, 6163899), (123, 3157119), (147, 2641671), (189, 2054633), (287, 1353051), (369, 1052373), (441, 880557), (861, 451017), (1107, 350791), (1323, 293519), (2009, 193293), (2583, 150339), (6027, 64431), (7159, 54243), (7749, 50113), (18081, 21477)]