66856845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{661}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 117062784

約数和(自身を除く): 50205939

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 613, 661, 1839, 1983, 3065, 3305, 6743, 7271, 9195, 9915, 20229, 21813, 33715, 36355, 101145, 109065, 405193, 1215579, 2025965, 4457123, 6077895, 13371369, 22285615, 66856845]

約数ペア:

[(1, 66856845), (3, 22285615), (5, 13371369), (11, 6077895), (15, 4457123), (33, 2025965), (55, 1215579), (165, 405193), (613, 109065), (661, 101145), (1839, 36355), (1983, 33715), (3065, 21813), (3305, 20229), (6743, 9915), (7271, 9195)]