87666579

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 175279104

約数和(自身を除く): 87612525

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 37, 39, 63, 77, 91, 99, 111, 117, 143, 231, 259, 263, 273, 333, 407, 429, 481, 693, 777, 789, 819, 1001, 1221, 1287, 1443, 1841, 2331, 2367, 2849, 2893, 3003, 3367, 3419, 3663, 4329, 5291, 5523, 8547, 8679, 9009, 9731, 10101, 10257, 15873, 16569, 20251, 23933, 25641, 26037, 29193, 30303, 30771, 37037, 37609, 47619, 60753, 68117, 71799, 87579, 107041, 111111, 112827, 126503, 182259, 204351, 215397, 263263, 321123, 333333, 338481, 379509, 613053, 749287, 789789, 885521, 963369, 1138527, 1391533, 2247861, 2369367, 2656563, 4174599, 6743583, 7969689, 9740731, 12523797, 29222193, 87666579]

約数ペア:

[(1, 87666579), (3, 29222193), (7, 12523797), (9, 9740731), (11, 7969689), (13, 6743583), (21, 4174599), (33, 2656563), (37, 2369367), (39, 2247861), (63, 1391533), (77, 1138527), (91, 963369), (99, 885521), (111, 789789), (117, 749287), (143, 613053), (231, 379509), (259, 338481), (263, 333333), (273, 321123), (333, 263263), (407, 215397), (429, 204351), (481, 182259), (693, 126503), (777, 112827), (789, 111111), (819, 107041), (1001, 87579), (1221, 71799), (1287, 68117), (1443, 60753), (1841, 47619), (2331, 37609), (2367, 37037), (2849, 30771), (2893, 30303), (3003, 29193), (3367, 26037), (3419, 25641), (3663, 23933), (4329, 20251), (5291, 16569), (5523, 15873), (8547, 10257), (8679, 10101), (9009, 9731)]