205755879

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3671}}^1$

素因数の和:3855

約数の個数: 32

約数和(自身を含む): 334181376

約数和(自身を除く): 128425497

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 1099, 2669, 3297, 3671, 8007, 11013, 18683, 25697, 56049, 62407, 77091, 187221, 436849, 576347, 1310547, 1729041, 4034429, 9797899, 12103287, 29393697, 68585293, 205755879]

約数ペア:

[(1, 205755879), (3, 68585293), (7, 29393697), (17, 12103287), (21, 9797899), (51, 4034429), (119, 1729041), (157, 1310547), (357, 576347), (471, 436849), (1099, 187221), (2669, 77091), (3297, 62407), (3671, 56049), (8007, 25697), (11013, 18683)]