215814963

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3704

約数の個数: 48

約数和(自身を含む): 372212736

約数和(自身を除く): 156397773

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 1209, 1519, 1911, 2821, 3643, 4557, 8463, 10929, 19747, 25501, 47359, 59241, 76503, 112933, 142077, 178507, 331513, 338799, 535521, 790531, 994539, 1468129, 2320591, 2371593, 4404387, 5533717, 6961773, 10276903, 16601151, 30830709, 71938321, 215814963]

約数ペア:

[(1, 215814963), (3, 71938321), (7, 30830709), (13, 16601151), (21, 10276903), (31, 6961773), (39, 5533717), (49, 4404387), (91, 2371593), (93, 2320591), (147, 1468129), (217, 994539), (273, 790531), (403, 535521), (637, 338799), (651, 331513), (1209, 178507), (1519, 142077), (1911, 112933), (2821, 76503), (3643, 59241), (4557, 47359), (8463, 25501), (10929, 19747)]