19711172481

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{28663}}^1$

素因数の和:28926

約数の個数: 64

約数和(自身を含む): 35442462720

約数和(自身を除く): 15731290239

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 229, 231, 273, 429, 687, 1001, 1603, 2519, 2977, 3003, 4809, 7557, 8931, 17633, 20839, 28663, 32747, 52899, 62517, 85989, 98241, 200641, 229229, 315293, 372619, 601923, 687687, 945879, 1117857, 2207051, 2608333, 4098809, 6563827, 6621153, 7824999, 12296427, 19691481, 28691663, 45946789, 72202097, 85329751, 86074989, 137840367, 216606291, 255989253, 505414679, 597308257, 938627261, 1516244037, 1791924771, 2815881783, 6570390827, 19711172481]

約数ペア:

[(1, 19711172481), (3, 6570390827), (7, 2815881783), (11, 1791924771), (13, 1516244037), (21, 938627261), (33, 597308257), (39, 505414679), (77, 255989253), (91, 216606291), (143, 137840367), (229, 86074989), (231, 85329751), (273, 72202097), (429, 45946789), (687, 28691663), (1001, 19691481), (1603, 12296427), (2519, 7824999), (2977, 6621153), (3003, 6563827), (4809, 4098809), (7557, 2608333), (8931, 2207051), (17633, 1117857), (20839, 945879), (28663, 687687), (32747, 601923), (52899, 372619), (62517, 315293), (85989, 229229), (98241, 200641)]