253126731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 408457728

約数和(自身を除く): 155330997

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 431, 481, 1221, 1293, 1369, 1443, 4107, 4741, 5291, 5603, 14223, 15059, 15873, 15947, 16809, 17797, 45177, 47841, 53391, 61633, 175417, 184899, 195767, 207311, 526251, 587301, 590039, 621933, 1770117, 2280421, 6490429, 6841263, 7670507, 19471287, 23011521, 84375577, 253126731]

約数ペア:

[(1, 253126731), (3, 84375577), (11, 23011521), (13, 19471287), (33, 7670507), (37, 6841263), (39, 6490429), (111, 2280421), (143, 1770117), (407, 621933), (429, 590039), (431, 587301), (481, 526251), (1221, 207311), (1293, 195767), (1369, 184899), (1443, 175417), (4107, 61633), (4741, 53391), (5291, 47841), (5603, 45177), (14223, 17797), (15059, 16809), (15873, 15947)]