612765

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 1176120

約数和(自身を除く): 563355

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 89, 135, 153, 255, 267, 405, 445, 459, 765, 801, 1335, 1377, 1513, 2295, 2403, 4005, 4539, 6885, 7209, 7565, 12015, 13617, 22695, 36045, 40851, 68085, 122553, 204255, 612765]

約数ペア:

[(1, 612765), (3, 204255), (5, 122553), (9, 68085), (15, 40851), (17, 36045), (27, 22695), (45, 13617), (51, 12015), (81, 7565), (85, 7209), (89, 6885), (135, 4539), (153, 4005), (255, 2403), (267, 2295), (405, 1513), (445, 1377), (459, 1335), (765, 801)]