68178159

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1829

約数の個数: 48

約数和(自身を含む): 121615200

約数和(自身を除く): 53437041

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 783, 1323, 1421, 1777, 1827, 4263, 5331, 5481, 12439, 12789, 15993, 37317, 38367, 47979, 51533, 87073, 111951, 154599, 261219, 335853, 360731, 463797, 783657, 1082193, 1391391, 2350971, 2525117, 3246579, 7575351, 9739737, 22726053, 68178159]

約数ペア:

[(1, 68178159), (3, 22726053), (7, 9739737), (9, 7575351), (21, 3246579), (27, 2525117), (29, 2350971), (49, 1391391), (63, 1082193), (87, 783657), (147, 463797), (189, 360731), (203, 335853), (261, 261219), (441, 154599), (609, 111951), (783, 87073), (1323, 51533), (1421, 47979), (1777, 38367), (1827, 37317), (4263, 15993), (5331, 12789), (5481, 12439)]