1931445

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 3659040

約数和(自身を除く): 1727595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 251, 285, 405, 513, 753, 855, 1255, 1539, 2259, 2565, 3765, 4769, 6777, 7695, 11295, 14307, 20331, 23845, 33885, 42921, 71535, 101655, 128763, 214605, 386289, 643815, 1931445]

約数ペア:

[(1, 1931445), (3, 643815), (5, 386289), (9, 214605), (15, 128763), (19, 101655), (27, 71535), (45, 42921), (57, 33885), (81, 23845), (95, 20331), (135, 14307), (171, 11295), (251, 7695), (285, 6777), (405, 4769), (513, 3765), (753, 2565), (855, 2259), (1255, 1539)]