81497575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{823}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 107591328

約数和(自身を除く): 26093753

約数列:

[1, 5, 17, 25, 85, 233, 425, 823, 1165, 3961, 4115, 5825, 13991, 19805, 20575, 69955, 99025, 191759, 349775, 958795, 3259903, 4793975, 16299515, 81497575]

約数ペア:

[(1, 81497575), (5, 16299515), (17, 4793975), (25, 3259903), (85, 958795), (233, 349775), (425, 191759), (823, 99025), (1165, 69955), (3961, 20575), (4115, 19805), (5825, 13991)]