40439997

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 63132888

約数和(自身を除く): 22692891

約数列:

[1, 3, 9, 13, 39, 117, 421, 821, 1263, 2463, 3789, 5473, 7389, 10673, 16419, 32019, 49257, 96057, 345641, 1036923, 3110769, 4493333, 13479999, 40439997]

約数ペア:

[(1, 40439997), (3, 13479999), (9, 4493333), (13, 3110769), (39, 1036923), (117, 345641), (421, 96057), (821, 49257), (1263, 32019), (2463, 16419), (3789, 10673), (5473, 7389)]