1281291255

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{390043}}^1$

素因数の和:390127

約数の個数: 24

約数和(自身を含む): 2251333968

約数和(自身を除く): 970042713

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 390043, 1170129, 1950215, 3510387, 5850645, 17551935, 28473139, 85419417, 142365695, 256258251, 427097085, 1281291255]

約数ペア:

[(1, 1281291255), (3, 427097085), (5, 256258251), (9, 142365695), (15, 85419417), (45, 28473139), (73, 17551935), (219, 5850645), (365, 3510387), (657, 1950215), (1095, 1170129), (3285, 390043)]