265995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 482976

約数和(自身を除く): 216981

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 257, 345, 771, 1035, 1285, 2313, 3855, 5911, 11565, 17733, 29555, 53199, 88665, 265995]

約数ペア:

[(1, 265995), (3, 88665), (5, 53199), (9, 29555), (15, 17733), (23, 11565), (45, 5911), (69, 3855), (115, 2313), (207, 1285), (257, 1035), (345, 771)]