77970039

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 122259456

約数和(自身を除く): 44289417

約数列:

[1, 3, 7, 21, 47, 141, 197, 329, 401, 591, 987, 1203, 1379, 2807, 4137, 8421, 9259, 18847, 27777, 56541, 64813, 78997, 131929, 194439, 236991, 395787, 552979, 1658937, 3712859, 11138577, 25990013, 77970039]

約数ペア:

[(1, 77970039), (3, 25990013), (7, 11138577), (21, 3712859), (47, 1658937), (141, 552979), (197, 395787), (329, 236991), (401, 194439), (591, 131929), (987, 78997), (1203, 64813), (1379, 56541), (2807, 27777), (4137, 18847), (8421, 9259)]