204255

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 388800

約数和(自身を除く): 184545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 89, 135, 153, 255, 267, 445, 459, 765, 801, 1335, 1513, 2295, 2403, 4005, 4539, 7565, 12015, 13617, 22695, 40851, 68085, 204255]

約数ペア:

[(1, 204255), (3, 68085), (5, 40851), (9, 22695), (15, 13617), (17, 12015), (27, 7565), (45, 4539), (51, 4005), (85, 2403), (89, 2295), (135, 1513), (153, 1335), (255, 801), (267, 765), (445, 459)]