130815

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 40

約数和(自身を含む): 261360

約数和(自身を除く): 130545

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 171, 255, 285, 323, 405, 459, 513, 765, 855, 969, 1377, 1539, 1615, 2295, 2565, 2907, 4845, 6885, 7695, 8721, 14535, 26163, 43605, 130815]

約数ペア:

[(1, 130815), (3, 43605), (5, 26163), (9, 14535), (15, 8721), (17, 7695), (19, 6885), (27, 4845), (45, 2907), (51, 2565), (57, 2295), (81, 1615), (85, 1539), (95, 1377), (135, 969), (153, 855), (171, 765), (255, 513), (285, 459), (323, 405)]