237844431

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 408883200

約数和(自身を除く): 171038769

約数列:

[1, 3, 9, 11, 27, 31, 33, 79, 81, 93, 99, 109, 237, 279, 297, 327, 341, 711, 837, 869, 891, 981, 1023, 1199, 2133, 2449, 2511, 2607, 2943, 3069, 3379, 3597, 6399, 7347, 7821, 8611, 8829, 9207, 10137, 10791, 22041, 23463, 25833, 26939, 27621, 30411, 32373, 37169, 66123, 70389, 77499, 80817, 91233, 94721, 97119, 111507, 198369, 232497, 242451, 266941, 273699, 284163, 334521, 697491, 727353, 800823, 852489, 1003563, 2182059, 2402469, 2557467, 2936351, 3010689, 7207407, 7672401, 8809053, 21622221, 26427159, 79281477, 237844431]

約数ペア:

[(1, 237844431), (3, 79281477), (9, 26427159), (11, 21622221), (27, 8809053), (31, 7672401), (33, 7207407), (79, 3010689), (81, 2936351), (93, 2557467), (99, 2402469), (109, 2182059), (237, 1003563), (279, 852489), (297, 800823), (327, 727353), (341, 697491), (711, 334521), (837, 284163), (869, 273699), (891, 266941), (981, 242451), (1023, 232497), (1199, 198369), (2133, 111507), (2449, 97119), (2511, 94721), (2607, 91233), (2943, 80817), (3069, 77499), (3379, 70389), (3597, 66123), (6399, 37169), (7347, 32373), (7821, 30411), (8611, 27621), (8829, 26939), (9207, 25833), (10137, 23463), (10791, 22041)]