42817815

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 81686448

約数和(自身を除く): 38868633

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 691, 729, 765, 1215, 1377, 2073, 2295, 3455, 3645, 4131, 6219, 6885, 10365, 11747, 12393, 18657, 20655, 31095, 35241, 55971, 58735, 61965, 93285, 105723, 167913, 176205, 279855, 317169, 503739, 528615, 839565, 951507, 1585845, 2518695, 2854521, 4757535, 8563563, 14272605, 42817815]

約数ペア:

[(1, 42817815), (3, 14272605), (5, 8563563), (9, 4757535), (15, 2854521), (17, 2518695), (27, 1585845), (45, 951507), (51, 839565), (81, 528615), (85, 503739), (135, 317169), (153, 279855), (243, 176205), (255, 167913), (405, 105723), (459, 93285), (691, 61965), (729, 58735), (765, 55971), (1215, 35241), (1377, 31095), (2073, 20655), (2295, 18657), (3455, 12393), (3645, 11747), (4131, 10365), (6219, 6885)]