12505995

素因数分解:

$3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 56

約数和(自身を含む): 23294016

約数和(自身を除く): 10788021

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 73, 81, 135, 141, 219, 235, 243, 365, 405, 423, 657, 705, 729, 1095, 1215, 1269, 1971, 2115, 3285, 3431, 3645, 3807, 5913, 6345, 9855, 10293, 11421, 17155, 17739, 19035, 29565, 30879, 34263, 51465, 53217, 57105, 88695, 92637, 154395, 171315, 266085, 277911, 463185, 833733, 1389555, 2501199, 4168665, 12505995]

約数ペア:

[(1, 12505995), (3, 4168665), (5, 2501199), (9, 1389555), (15, 833733), (27, 463185), (45, 277911), (47, 266085), (73, 171315), (81, 154395), (135, 92637), (141, 88695), (219, 57105), (235, 53217), (243, 51465), (365, 34263), (405, 30879), (423, 29565), (657, 19035), (705, 17739), (729, 17155), (1095, 11421), (1215, 10293), (1269, 9855), (1971, 6345), (2115, 5913), (3285, 3807), (3431, 3645)]