78828507

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{30307}}^1$

素因数の和:30347

約数の個数: 18

約数和(自身を含む): 120959228

約数和(自身を除く): 42130721

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 30307, 90921, 272763, 515219, 1545657, 4636971, 8758723, 26276169, 78828507]

約数ペア:

[(1, 78828507), (3, 26276169), (9, 8758723), (17, 4636971), (51, 1545657), (153, 515219), (289, 272763), (867, 90921), (2601, 30307)]