20899291275

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1821289}}^1$

素因数の和:1821325

約数の個数: 48

約数和(自身を含む): 40651192800

約数和(自身を除く): 19751901525

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 11475, 1821289, 5463867, 9106445, 16391601, 27319335, 30961913, 45532225, 49174803, 81958005, 92885739, 136596675, 154809565, 245874015, 278657217, 409790025, 464428695, 774047825, 835971651, 1229370075, 1393286085, 2322143475, 4179858255, 6966430425, 20899291275]

約数ペア:

[(1, 20899291275), (3, 6966430425), (5, 4179858255), (9, 2322143475), (15, 1393286085), (17, 1229370075), (25, 835971651), (27, 774047825), (45, 464428695), (51, 409790025), (75, 278657217), (85, 245874015), (135, 154809565), (153, 136596675), (225, 92885739), (255, 81958005), (425, 49174803), (459, 45532225), (675, 30961913), (765, 27319335), (1275, 16391601), (2295, 9106445), (3825, 5463867), (11475, 1821289)]