205127865

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{15773}}^1$

素因数の和:15818

約数の個数: 36

約数和(自身を含む): 377724204

約数和(自身を除く): 172596339

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 13005, 15773, 47319, 78865, 141957, 236595, 268141, 709785, 804423, 1340705, 2413269, 4022115, 4558397, 12066345, 13675191, 22791985, 41025573, 68375955, 205127865]

約数ペア:

[(1, 205127865), (3, 68375955), (5, 41025573), (9, 22791985), (15, 13675191), (17, 12066345), (45, 4558397), (51, 4022115), (85, 2413269), (153, 1340705), (255, 804423), (289, 709785), (765, 268141), (867, 236595), (1445, 141957), (2601, 78865), (4335, 47319), (13005, 15773)]