870878319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{5081}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 1274972160

約数和(自身を除く): 404093841

約数列:

[1, 3, 19, 31, 57, 93, 97, 291, 589, 1767, 1843, 3007, 5081, 5529, 9021, 15243, 57133, 96539, 157511, 171399, 289617, 472533, 492857, 1478571, 2992709, 8978127, 9364283, 15278567, 28092849, 45835701, 290292773, 870878319]

約数ペア:

[(1, 870878319), (3, 290292773), (19, 45835701), (31, 28092849), (57, 15278567), (93, 9364283), (97, 8978127), (291, 2992709), (589, 1478571), (1767, 492857), (1843, 472533), (3007, 289617), (5081, 171399), (5529, 157511), (9021, 96539), (15243, 57133)]