243854037

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 451440000

約数和(自身を除く): 207585963

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 89, 109, 133, 147, 171, 189, 267, 327, 399, 441, 513, 623, 763, 801, 931, 981, 1197, 1323, 1691, 1869, 2071, 2289, 2403, 2793, 2943, 3591, 4361, 5073, 5341, 5607, 6213, 6867, 8379, 9701, 11837, 13083, 14497, 15219, 16023, 16821, 18639, 20601, 25137, 29103, 35511, 39249, 43491, 45657, 48069, 55917, 67907, 82859, 87309, 101479, 106533, 117747, 130473, 144207, 184319, 203721, 248577, 261927, 304437, 319599, 391419, 475349, 552957, 611163, 745731, 913311, 1290233, 1426047, 1658871, 1833489, 2237193, 2739933, 3870699, 4278141, 4976613, 9031631, 11612097, 12834423, 27094893, 34836291, 81284679, 243854037]

約数ペア:

[(1, 243854037), (3, 81284679), (7, 34836291), (9, 27094893), (19, 12834423), (21, 11612097), (27, 9031631), (49, 4976613), (57, 4278141), (63, 3870699), (89, 2739933), (109, 2237193), (133, 1833489), (147, 1658871), (171, 1426047), (189, 1290233), (267, 913311), (327, 745731), (399, 611163), (441, 552957), (513, 475349), (623, 391419), (763, 319599), (801, 304437), (931, 261927), (981, 248577), (1197, 203721), (1323, 184319), (1691, 144207), (1869, 130473), (2071, 117747), (2289, 106533), (2403, 101479), (2793, 87309), (2943, 82859), (3591, 67907), (4361, 55917), (5073, 48069), (5341, 45657), (5607, 43491), (6213, 39249), (6867, 35511), (8379, 29103), (9701, 25137), (11837, 20601), (13083, 18639), (14497, 16821), (15219, 16023)]