214957245

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 349493760

約数和(自身を除く): 134536515

約数列:

[1, 3, 5, 15, 131, 139, 393, 417, 655, 695, 787, 1965, 2085, 2361, 3935, 11805, 18209, 54627, 91045, 103097, 109393, 273135, 309291, 328179, 515485, 546965, 1546455, 1640895, 14330483, 42991449, 71652415, 214957245]

約数ペア:

[(1, 214957245), (3, 71652415), (5, 42991449), (15, 14330483), (131, 1640895), (139, 1546455), (393, 546965), (417, 515485), (655, 328179), (695, 309291), (787, 273135), (1965, 109393), (2085, 103097), (2361, 91045), (3935, 54627), (11805, 18209)]