65218845

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 108011520

約数和(自身を除く): 42792675

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 705, 1171, 1185, 3513, 3713, 5855, 11139, 17565, 18565, 55037, 55695, 92509, 165111, 275185, 277527, 462545, 825555, 1387635, 4347923, 13043769, 21739615, 65218845]

約数ペア:

[(1, 65218845), (3, 21739615), (5, 13043769), (15, 4347923), (47, 1387635), (79, 825555), (141, 462545), (235, 277527), (237, 275185), (395, 165111), (705, 92509), (1171, 55695), (1185, 55037), (3513, 18565), (3713, 17565), (5855, 11139)]