987921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 1651104

約数和(自身を除く): 663183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 587, 1683, 1761, 5283, 6457, 9979, 19371, 29937, 58113, 89811, 109769, 329307, 987921]

約数ペア:

[(1, 987921), (3, 329307), (9, 109769), (11, 89811), (17, 58113), (33, 29937), (51, 19371), (99, 9979), (153, 6457), (187, 5283), (561, 1761), (587, 1683)]