13426965

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 24792768

約数和(自身を除く): 11365803

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 257, 387, 405, 645, 771, 1161, 1215, 1285, 1935, 2313, 3483, 3855, 5805, 6939, 10449, 11051, 11565, 17415, 20817, 33153, 34695, 52245, 55255, 62451, 99459, 104085, 165765, 298377, 312255, 497295, 895131, 1491885, 2685393, 4475655, 13426965]

約数ペア:

[(1, 13426965), (3, 4475655), (5, 2685393), (9, 1491885), (15, 895131), (27, 497295), (43, 312255), (45, 298377), (81, 165765), (129, 104085), (135, 99459), (215, 62451), (243, 55255), (257, 52245), (387, 34695), (405, 33153), (645, 20817), (771, 17415), (1161, 11565), (1215, 11051), (1285, 10449), (1935, 6939), (2313, 5805), (3483, 3855)]