249226551

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 459993600

約数和(自身を除く): 210767049

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 63, 69, 81, 87, 161, 189, 203, 207, 261, 483, 567, 609, 621, 659, 667, 783, 1449, 1827, 1863, 1977, 2001, 2349, 4347, 4613, 4669, 5481, 5931, 6003, 13041, 13839, 14007, 15157, 16443, 17793, 18009, 19111, 41517, 42021, 45471, 53379, 54027, 57333, 106099, 124551, 126063, 133777, 136413, 171999, 318297, 373653, 378189, 401331, 409239, 439553, 515997, 954891, 1203993, 1227717, 1318659, 1547991, 2864673, 3076871, 3611979, 3955977, 8594019, 9230613, 10835937, 11867931, 27691839, 35603793, 83075517, 249226551]

約数ペア:

[(1, 249226551), (3, 83075517), (7, 35603793), (9, 27691839), (21, 11867931), (23, 10835937), (27, 9230613), (29, 8594019), (63, 3955977), (69, 3611979), (81, 3076871), (87, 2864673), (161, 1547991), (189, 1318659), (203, 1227717), (207, 1203993), (261, 954891), (483, 515997), (567, 439553), (609, 409239), (621, 401331), (659, 378189), (667, 373653), (783, 318297), (1449, 171999), (1827, 136413), (1863, 133777), (1977, 126063), (2001, 124551), (2349, 106099), (4347, 57333), (4613, 54027), (4669, 53379), (5481, 45471), (5931, 42021), (6003, 41517), (13041, 19111), (13839, 18009), (14007, 17793), (15157, 16443)]