214579581

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 307888128

約数和(自身を除く): 93308547

約数列:

[1, 3, 23, 47, 69, 127, 141, 381, 521, 1081, 1563, 2921, 3243, 5969, 8763, 11983, 17907, 24487, 35949, 66167, 73461, 137287, 198501, 411861, 563201, 1521841, 1689603, 3109849, 4565523, 9329547, 71526527, 214579581]

約数ペア:

[(1, 214579581), (3, 71526527), (23, 9329547), (47, 4565523), (69, 3109849), (127, 1689603), (141, 1521841), (381, 563201), (521, 411861), (1081, 198501), (1563, 137287), (2921, 73461), (3243, 66167), (5969, 35949), (8763, 24487), (11983, 17907)]