217346073

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{544727}}^1$

素因数の和:544756

約数の個数: 16

約数和(自身を含む): 348625920

約数和(自身を除く): 131279847

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 544727, 1634181, 3813089, 10349813, 11439267, 31049439, 72448691, 217346073]

約数ペア:

[(1, 217346073), (3, 72448691), (7, 31049439), (19, 11439267), (21, 10349813), (57, 3813089), (133, 1634181), (399, 544727)]