40409685

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 73731840

約数和(自身を除く): 33322155

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 243, 395, 405, 421, 711, 1185, 1215, 1263, 2105, 2133, 3555, 3789, 6315, 6399, 10665, 11367, 18945, 19197, 31995, 33259, 34101, 56835, 95985, 99777, 102303, 166295, 170505, 299331, 498885, 511515, 897993, 1496655, 2693979, 4489965, 8081937, 13469895, 40409685]

約数ペア:

[(1, 40409685), (3, 13469895), (5, 8081937), (9, 4489965), (15, 2693979), (27, 1496655), (45, 897993), (79, 511515), (81, 498885), (135, 299331), (237, 170505), (243, 166295), (395, 102303), (405, 99777), (421, 95985), (711, 56835), (1185, 34101), (1215, 33259), (1263, 31995), (2105, 19197), (2133, 18945), (3555, 11367), (3789, 10665), (6315, 6399)]