156663271821

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{1783}}^1$

素因数の和:2175

約数の個数: 96

約数和(自身を含む): 258824432640

約数和(自身を除く): 102161160819

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 163, 193, 399, 489, 579, 931, 1141, 1351, 1783, 2793, 3097, 3423, 3667, 4053, 5349, 7987, 9291, 9457, 11001, 12481, 21679, 23961, 25669, 28371, 31459, 33877, 37443, 65037, 77007, 87367, 94377, 101631, 151753, 179683, 220213, 237139, 262101, 290629, 344119, 455259, 539049, 597721, 660639, 711417, 871887, 1032357, 1541491, 1659973, 1793163, 2034403, 2408833, 4184047, 4624473, 4979919, 5521951, 6103209, 6538261, 7226499, 12552141, 14240821, 16565853, 16861831, 19614783, 29288329, 38653657, 42722463, 45767827, 50585493, 56091397, 87864987, 115960971, 137303481, 168274191, 270575599, 320374789, 392639779, 811726797, 961124367, 1065736543, 1177919337, 2748478453, 3197209629, 7460155801, 8245435359, 22380467403, 52221090607, 156663271821]

約数ペア:

[(1, 156663271821), (3, 52221090607), (7, 22380467403), (19, 8245435359), (21, 7460155801), (49, 3197209629), (57, 2748478453), (133, 1177919337), (147, 1065736543), (163, 961124367), (193, 811726797), (399, 392639779), (489, 320374789), (579, 270575599), (931, 168274191), (1141, 137303481), (1351, 115960971), (1783, 87864987), (2793, 56091397), (3097, 50585493), (3423, 45767827), (3667, 42722463), (4053, 38653657), (5349, 29288329), (7987, 19614783), (9291, 16861831), (9457, 16565853), (11001, 14240821), (12481, 12552141), (21679, 7226499), (23961, 6538261), (25669, 6103209), (28371, 5521951), (31459, 4979919), (33877, 4624473), (37443, 4184047), (65037, 2408833), (77007, 2034403), (87367, 1793163), (94377, 1659973), (101631, 1541491), (151753, 1032357), (179683, 871887), (220213, 711417), (237139, 660639), (262101, 597721), (290629, 539049), (344119, 455259)]