128487921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{9803}}^1$

素因数の和:10080

約数の個数: 16

約数和(自身を含む): 182119104

約数和(自身を除く): 53631183

約数列:

[1, 3, 17, 51, 257, 771, 4369, 9803, 13107, 29409, 166651, 499953, 2519371, 7558113, 42829307, 128487921]

約数ペア:

[(1, 128487921), (3, 42829307), (17, 7558113), (51, 2519371), (257, 499953), (771, 166651), (4369, 29409), (9803, 13107)]