68645655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 128908416

約数和(自身を除く): 60262761

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 271, 433, 585, 813, 1299, 1355, 2165, 2439, 3523, 3897, 4065, 5629, 6495, 10569, 12195, 16887, 17615, 19485, 28145, 31707, 50661, 52845, 84435, 117343, 158535, 253305, 352029, 586715, 1056087, 1525459, 1760145, 4576377, 5280435, 7627295, 13729131, 22881885, 68645655]

約数ペア:

[(1, 68645655), (3, 22881885), (5, 13729131), (9, 7627295), (13, 5280435), (15, 4576377), (39, 1760145), (45, 1525459), (65, 1056087), (117, 586715), (195, 352029), (271, 253305), (433, 158535), (585, 117343), (813, 84435), (1299, 52845), (1355, 50661), (2165, 31707), (2439, 28145), (3523, 19485), (3897, 17615), (4065, 16887), (5629, 12195), (6495, 10569)]