28710255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2153}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 52936704

約数和(自身を除く): 24226449

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1905, 2153, 2667, 4445, 6459, 10765, 13335, 15071, 32295, 45213, 75355, 226065, 273431, 820293, 1367155, 1914017, 4101465, 5742051, 9570085, 28710255]

約数ペア:

[(1, 28710255), (3, 9570085), (5, 5742051), (7, 4101465), (15, 1914017), (21, 1367155), (35, 820293), (105, 273431), (127, 226065), (381, 75355), (635, 45213), (889, 32295), (1905, 15071), (2153, 13335), (2667, 10765), (4445, 6459)]