249435747

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 431308800

約数和(自身を除く): 181873053

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 127, 153, 187, 297, 381, 389, 459, 561, 1143, 1167, 1397, 1683, 2159, 3429, 3501, 4191, 4279, 5049, 6477, 6613, 10503, 12573, 12837, 19431, 19839, 23749, 37719, 38511, 49403, 58293, 59517, 71247, 72743, 115533, 148209, 178551, 213741, 218229, 444627, 543433, 641223, 654687, 839851, 1333881, 1630299, 1964061, 2519553, 4890897, 7558659, 9238361, 14672691, 22675977, 27715083, 83145249, 249435747]

約数ペア:

[(1, 249435747), (3, 83145249), (9, 27715083), (11, 22675977), (17, 14672691), (27, 9238361), (33, 7558659), (51, 4890897), (99, 2519553), (127, 1964061), (153, 1630299), (187, 1333881), (297, 839851), (381, 654687), (389, 641223), (459, 543433), (561, 444627), (1143, 218229), (1167, 213741), (1397, 178551), (1683, 148209), (2159, 115533), (3429, 72743), (3501, 71247), (4191, 59517), (4279, 58293), (5049, 49403), (6477, 38511), (6613, 37719), (10503, 23749), (12573, 19839), (12837, 19431)]