871567221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 1479905280

約数和(自身を除く): 608338059

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 73, 133, 161, 219, 399, 437, 483, 511, 1301, 1311, 1387, 1533, 1679, 3059, 3903, 4161, 5037, 9107, 9177, 9709, 11753, 24719, 27321, 29127, 29923, 31901, 35259, 74157, 89769, 94973, 95703, 173033, 209461, 223307, 284919, 519099, 568537, 628383, 664811, 669921, 1705611, 1804487, 1994433, 2184379, 3979759, 5413461, 6553137, 11939277, 12631409, 15290653, 37894227, 41503201, 45871959, 124509603, 290522407, 871567221]

約数ペア:

[(1, 871567221), (3, 290522407), (7, 124509603), (19, 45871959), (21, 41503201), (23, 37894227), (57, 15290653), (69, 12631409), (73, 11939277), (133, 6553137), (161, 5413461), (219, 3979759), (399, 2184379), (437, 1994433), (483, 1804487), (511, 1705611), (1301, 669921), (1311, 664811), (1387, 628383), (1533, 568537), (1679, 519099), (3059, 284919), (3903, 223307), (4161, 209461), (5037, 173033), (9107, 95703), (9177, 94973), (9709, 89769), (11753, 74157), (24719, 35259), (27321, 31901), (29127, 29923)]