253977615

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{245389}}^1$

素因数の和:245423

約数の個数: 24

約数和(自身を含む): 459370080

約数和(自身を除く): 205392465

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 245389, 736167, 1226945, 2208501, 3680835, 5643947, 11042505, 16931841, 28219735, 50795523, 84659205, 253977615]

約数ペア:

[(1, 253977615), (3, 84659205), (5, 50795523), (9, 28219735), (15, 16931841), (23, 11042505), (45, 5643947), (69, 3680835), (115, 2208501), (207, 1226945), (345, 736167), (1035, 245389)]