128195997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{373}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 190003968

約数和(自身を除く): 61807971

約数列:

[1, 3, 17, 23, 51, 69, 293, 373, 391, 879, 1119, 1173, 4981, 6341, 6739, 8579, 14943, 19023, 20217, 25737, 109289, 114563, 145843, 327867, 343689, 437529, 1857913, 2513647, 5573739, 7540941, 42731999, 128195997]

約数ペア:

[(1, 128195997), (3, 42731999), (17, 7540941), (23, 5573739), (51, 2513647), (69, 1857913), (293, 437529), (373, 343689), (391, 327867), (879, 145843), (1119, 114563), (1173, 109289), (4981, 25737), (6341, 20217), (6739, 19023), (8579, 14943)]