51721335

素因数分解:

$3^5\times 5^1\times {\mathrm{42569}}^1$

素因数の和:42589

約数の個数: 24

約数和(自身を含む): 92972880

約数和(自身を除く): 41251545

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 42569, 127707, 212845, 383121, 638535, 1149363, 1915605, 3448089, 5746815, 10344267, 17240445, 51721335]

約数ペア:

[(1, 51721335), (3, 17240445), (5, 10344267), (9, 5746815), (15, 3448089), (27, 1915605), (45, 1149363), (81, 638535), (135, 383121), (243, 212845), (405, 127707), (1215, 42569)]