242742405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{2083}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 412331904

約数和(自身を除く): 169589499

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 457, 1371, 2083, 2285, 6249, 6855, 7769, 10415, 23307, 31245, 35411, 38845, 106233, 116535, 177055, 531165, 951931, 2855793, 4759655, 14278965, 16182827, 48548481, 80914135, 242742405]

約数ペア:

[(1, 242742405), (3, 80914135), (5, 48548481), (15, 16182827), (17, 14278965), (51, 4759655), (85, 2855793), (255, 951931), (457, 531165), (1371, 177055), (2083, 116535), (2285, 106233), (6249, 38845), (6855, 35411), (7769, 31245), (10415, 23307)]