260552319

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 377498880

約数和(自身を除く): 116946561

約数列:

[1, 3, 17, 51, 59, 131, 177, 393, 661, 1003, 1983, 2227, 3009, 6681, 7729, 11237, 23187, 33711, 38999, 86591, 116997, 131393, 259773, 394179, 662983, 1472047, 1988949, 4416141, 5108869, 15326607, 86850773, 260552319]

約数ペア:

[(1, 260552319), (3, 86850773), (17, 15326607), (51, 5108869), (59, 4416141), (131, 1988949), (177, 1472047), (393, 662983), (661, 394179), (1003, 259773), (1983, 131393), (2227, 116997), (3009, 86591), (6681, 38999), (7729, 33711), (11237, 23187)]