11531905

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 36

約数和(自身を含む): 17739540

約数和(自身を除く): 6207635

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 389, 539, 605, 847, 1945, 2695, 2723, 4235, 4279, 5929, 13615, 19061, 21395, 29645, 29953, 47069, 95305, 149765, 209671, 235345, 329483, 1048355, 1647415, 2306381, 11531905]

約数ペア:

[(1, 11531905), (5, 2306381), (7, 1647415), (11, 1048355), (35, 329483), (49, 235345), (55, 209671), (77, 149765), (121, 95305), (245, 47069), (385, 29953), (389, 29645), (539, 21395), (605, 19061), (847, 13615), (1945, 5929), (2695, 4279), (2723, 4235)]