1259234487

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 2169078912

約数和(自身を除く): 909844425

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 131, 147, 213, 307, 393, 441, 497, 639, 917, 921, 1179, 1491, 2149, 2751, 2763, 3479, 4473, 6419, 6447, 8253, 9301, 10437, 15043, 19257, 19341, 21797, 27903, 31311, 40217, 45129, 57771, 65107, 65391, 83709, 120651, 135387, 152579, 195321, 196173, 281519, 361953, 455749, 457737, 585963, 844557, 1068053, 1367247, 1373211, 1970633, 2533671, 2855407, 3204159, 4101741, 5911899, 8566221, 9612477, 17735697, 19987849, 25698663, 59963547, 139914943, 179890641, 419744829, 1259234487]

約数ペア:

[(1, 1259234487), (3, 419744829), (7, 179890641), (9, 139914943), (21, 59963547), (49, 25698663), (63, 19987849), (71, 17735697), (131, 9612477), (147, 8566221), (213, 5911899), (307, 4101741), (393, 3204159), (441, 2855407), (497, 2533671), (639, 1970633), (917, 1373211), (921, 1367247), (1179, 1068053), (1491, 844557), (2149, 585963), (2751, 457737), (2763, 455749), (3479, 361953), (4473, 281519), (6419, 196173), (6447, 195321), (8253, 152579), (9301, 135387), (10437, 120651), (15043, 83709), (19257, 65391), (19341, 65107), (21797, 57771), (27903, 45129), (31311, 40217)]