9988353

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:718

約数の個数: 20

約数和(自身を含む): 15006420

約数和(自身を除く): 5018067

約数列:

[1, 3, 9, 27, 81, 317, 389, 951, 1167, 2853, 3501, 8559, 10503, 25677, 31509, 123313, 369939, 1109817, 3329451, 9988353]

約数ペア:

[(1, 9988353), (3, 3329451), (9, 1109817), (27, 369939), (81, 123313), (317, 31509), (389, 25677), (951, 10503), (1167, 8559), (2853, 3501)]