81517605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4139}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 141886080

約数和(自身を除く): 60368475

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 4139, 6565, 12417, 19695, 20695, 53807, 62085, 161421, 269035, 418039, 807105, 1254117, 2090195, 5434507, 6270585, 16303521, 27172535, 81517605]

約数ペア:

[(1, 81517605), (3, 27172535), (5, 16303521), (13, 6270585), (15, 5434507), (39, 2090195), (65, 1254117), (101, 807105), (195, 418039), (303, 269035), (505, 161421), (1313, 62085), (1515, 53807), (3939, 20695), (4139, 19695), (6565, 12417)]