214996551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 362713344

約数和(自身を除く): 147716793

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 211, 231, 363, 401, 633, 847, 1203, 1477, 2321, 2541, 2807, 4411, 4431, 6963, 8421, 13233, 16247, 25531, 30877, 48521, 48741, 76593, 84611, 92631, 145563, 178717, 253833, 339647, 536151, 592277, 930721, 1018941, 1776831, 2792163, 6515047, 10237931, 19545141, 30713793, 71665517, 214996551]

約数ペア:

[(1, 214996551), (3, 71665517), (7, 30713793), (11, 19545141), (21, 10237931), (33, 6515047), (77, 2792163), (121, 1776831), (211, 1018941), (231, 930721), (363, 592277), (401, 536151), (633, 339647), (847, 253833), (1203, 178717), (1477, 145563), (2321, 92631), (2541, 84611), (2807, 76593), (4411, 48741), (4431, 48521), (6963, 30877), (8421, 25531), (13233, 16247)]