1290825249

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4049}}^1$

素因数の和:4142

約数の個数: 64

約数和(自身を含む): 2239488000

約数和(自身を除く): 948662751

約数列:

[1, 3, 7, 17, 19, 21, 47, 51, 57, 119, 133, 141, 323, 329, 357, 399, 799, 893, 969, 987, 2261, 2397, 2679, 4049, 5593, 6251, 6783, 12147, 15181, 16779, 18753, 28343, 45543, 68833, 76931, 85029, 106267, 190303, 206499, 230793, 318801, 481831, 538517, 570909, 1307827, 1332121, 1445493, 1615551, 3235151, 3615757, 3923481, 3996363, 9154789, 9705453, 10847271, 22646057, 25310299, 27464367, 61467869, 67938171, 75930897, 184403607, 430275083, 1290825249]

約数ペア:

[(1, 1290825249), (3, 430275083), (7, 184403607), (17, 75930897), (19, 67938171), (21, 61467869), (47, 27464367), (51, 25310299), (57, 22646057), (119, 10847271), (133, 9705453), (141, 9154789), (323, 3996363), (329, 3923481), (357, 3615757), (399, 3235151), (799, 1615551), (893, 1445493), (969, 1332121), (987, 1307827), (2261, 570909), (2397, 538517), (2679, 481831), (4049, 318801), (5593, 230793), (6251, 206499), (6783, 190303), (12147, 106267), (15181, 85029), (16779, 76931), (18753, 68833), (28343, 45543)]