66904719

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2297}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 108833280

約数和(自身を除く): 41928561

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 2297, 4161, 6891, 9709, 16079, 29127, 43643, 48237, 130929, 167681, 305501, 503043, 916503, 1173767, 3185939, 3521301, 9557817, 22301573, 66904719]

約数ペア:

[(1, 66904719), (3, 22301573), (7, 9557817), (19, 3521301), (21, 3185939), (57, 1173767), (73, 916503), (133, 503043), (219, 305501), (399, 167681), (511, 130929), (1387, 48237), (1533, 43643), (2297, 29127), (4161, 16079), (6891, 9709)]