204521175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{39521}}^1$

素因数の和:39560

約数の個数: 36

約数和(自身を含む): 382256784

約数和(自身を除く): 177735609

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 39521, 118563, 197605, 355689, 592815, 908983, 988025, 1778445, 2726949, 2964075, 4544915, 8180847, 8892225, 13634745, 22724575, 40904235, 68173725, 204521175]

約数ペア:

[(1, 204521175), (3, 68173725), (5, 40904235), (9, 22724575), (15, 13634745), (23, 8892225), (25, 8180847), (45, 4544915), (69, 2964075), (75, 2726949), (115, 1778445), (207, 988025), (225, 908983), (345, 592815), (575, 355689), (1035, 197605), (1725, 118563), (5175, 39521)]