217876029

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19687}}^1$

素因数の和:19745

約数の個数: 32

約数和(自身を含む): 362889216

約数和(自身を除く): 145013187

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 11067, 19687, 59061, 137809, 334679, 413427, 610297, 1004037, 1830891, 2342753, 4272079, 7028259, 10375049, 12816237, 31125147, 72625343, 217876029]

約数ペア:

[(1, 217876029), (3, 72625343), (7, 31125147), (17, 12816237), (21, 10375049), (31, 7028259), (51, 4272079), (93, 2342753), (119, 1830891), (217, 1004037), (357, 610297), (527, 413427), (651, 334679), (1581, 137809), (3689, 59061), (11067, 19687)]