291016987155

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3960223}}^1$

素因数の和:3960328

約数の個数: 48

約数和(自身を含む): 533774831616

約数和(自身を除く): 242757844461

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 639, 1035, 1065, 1633, 3195, 4899, 8165, 14697, 24495, 73485, 3960223, 11880669, 19801115, 35642007, 59403345, 91085129, 178210035, 273255387, 281175833, 455425645, 819766161, 843527499, 1366276935, 1405879165, 2530582497, 4098830805, 4217637495, 6467044159, 12652912485, 19401132477, 32335220795, 58203397431, 97005662385, 291016987155]

約数ペア:

[(1, 291016987155), (3, 97005662385), (5, 58203397431), (9, 32335220795), (15, 19401132477), (23, 12652912485), (45, 6467044159), (69, 4217637495), (71, 4098830805), (115, 2530582497), (207, 1405879165), (213, 1366276935), (345, 843527499), (355, 819766161), (639, 455425645), (1035, 281175833), (1065, 273255387), (1633, 178210035), (3195, 91085129), (4899, 59403345), (8165, 35642007), (14697, 19801115), (24495, 11880669), (73485, 3960223)]