27884655

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 51621504

約数和(自身を除く): 23736849

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2221, 2511, 4185, 6663, 11105, 12555, 19989, 33315, 59967, 68851, 99945, 179901, 206553, 299835, 344255, 619659, 899505, 1032765, 1858977, 3098295, 5576931, 9294885, 27884655]

約数ペア:

[(1, 27884655), (3, 9294885), (5, 5576931), (9, 3098295), (15, 1858977), (27, 1032765), (31, 899505), (45, 619659), (81, 344255), (93, 299835), (135, 206553), (155, 179901), (279, 99945), (405, 68851), (465, 59967), (837, 33315), (1395, 19989), (2221, 12555), (2511, 11105), (4185, 6663)]