42561729

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 78486720

約数和(自身を除く): 35924991

約数列:

[1, 3, 7, 9, 19, 21, 31, 37, 57, 63, 93, 111, 133, 171, 217, 259, 279, 333, 399, 589, 651, 703, 777, 961, 1147, 1197, 1767, 1953, 2109, 2331, 2883, 3441, 4123, 4921, 5301, 6327, 6727, 8029, 8649, 10323, 12369, 14763, 18259, 20181, 21793, 24087, 35557, 37107, 44289, 54777, 60543, 65379, 72261, 106671, 127813, 152551, 164331, 196137, 248899, 320013, 383439, 457653, 675583, 746697, 1150317, 1372959, 2026749, 2240091, 4729081, 6080247, 14187243, 42561729]

約数ペア:

[(1, 42561729), (3, 14187243), (7, 6080247), (9, 4729081), (19, 2240091), (21, 2026749), (31, 1372959), (37, 1150317), (57, 746697), (63, 675583), (93, 457653), (111, 383439), (133, 320013), (171, 248899), (217, 196137), (259, 164331), (279, 152551), (333, 127813), (399, 106671), (589, 72261), (651, 65379), (703, 60543), (777, 54777), (961, 44289), (1147, 37107), (1197, 35557), (1767, 24087), (1953, 21793), (2109, 20181), (2331, 18259), (2883, 14763), (3441, 12369), (4123, 10323), (4921, 8649), (5301, 8029), (6327, 6727)]