393419913

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{17957}}^1$

素因数の和:18136

約数の個数: 16

約数和(自身を含む): 537303360

約数和(自身を除く): 143883447

約数列:

[1, 3, 67, 109, 201, 327, 7303, 17957, 21909, 53871, 1203119, 1957313, 3609357, 5871939, 131139971, 393419913]

約数ペア:

[(1, 393419913), (3, 131139971), (67, 5871939), (109, 3609357), (201, 1957313), (327, 1203119), (7303, 53871), (17957, 21909)]