27731691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 43317456

約数和(自身を除く): 15585765

約数列:

[1, 3, 9, 13, 39, 117, 421, 563, 1263, 1689, 3789, 5067, 5473, 7319, 16419, 21957, 49257, 65871, 237023, 711069, 2133207, 3081299, 9243897, 27731691]

約数ペア:

[(1, 27731691), (3, 9243897), (9, 3081299), (13, 2133207), (39, 711069), (117, 237023), (421, 65871), (563, 49257), (1263, 21957), (1689, 16419), (3789, 7319), (5067, 5473)]