15398505

素因数分解:

$3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 27887112

約数和(自身を除く): 12488607

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 197, 405, 579, 591, 965, 985, 1737, 1773, 2895, 2955, 5211, 5319, 8685, 8865, 15633, 15957, 26055, 26595, 38021, 78165, 79785, 114063, 190105, 342189, 570315, 1026567, 1710945, 3079701, 5132835, 15398505]

約数ペア:

[(1, 15398505), (3, 5132835), (5, 3079701), (9, 1710945), (15, 1026567), (27, 570315), (45, 342189), (81, 190105), (135, 114063), (193, 79785), (197, 78165), (405, 38021), (579, 26595), (591, 26055), (965, 15957), (985, 15633), (1737, 8865), (1773, 8685), (2895, 5319), (2955, 5211)]