51450147

素因数分解:

$3^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 93366000

約数和(自身を除く): 41915853

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 149, 189, 203, 243, 261, 441, 447, 567, 609, 783, 1043, 1323, 1341, 1421, 1701, 1827, 2349, 3129, 3969, 4023, 4263, 4321, 5481, 7047, 7301, 9387, 11907, 12069, 12789, 12963, 16443, 21903, 28161, 30247, 36207, 38367, 38889, 49329, 65709, 84483, 90741, 115101, 116667, 197127, 211729, 253449, 272223, 345303, 350001, 591381, 635187, 816669, 1050003, 1774143, 1905561, 2450007, 5716683, 7350021, 17150049, 51450147]

約数ペア:

[(1, 51450147), (3, 17150049), (7, 7350021), (9, 5716683), (21, 2450007), (27, 1905561), (29, 1774143), (49, 1050003), (63, 816669), (81, 635187), (87, 591381), (147, 350001), (149, 345303), (189, 272223), (203, 253449), (243, 211729), (261, 197127), (441, 116667), (447, 115101), (567, 90741), (609, 84483), (783, 65709), (1043, 49329), (1323, 38889), (1341, 38367), (1421, 36207), (1701, 30247), (1827, 28161), (2349, 21903), (3129, 16443), (3969, 12963), (4023, 12789), (4263, 12069), (4321, 11907), (5481, 9387), (7047, 7301)]