27787305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20357}}^1$

素因数の和:20385

約数の個数: 32

約数和(自身を含む): 54722304

約数和(自身を除く): 26934999

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20357, 61071, 101785, 142499, 264641, 305355, 427497, 712495, 793923, 1323205, 1852487, 2137485, 3969615, 5557461, 9262435, 27787305]

約数ペア:

[(1, 27787305), (3, 9262435), (5, 5557461), (7, 3969615), (13, 2137485), (15, 1852487), (21, 1323205), (35, 793923), (39, 712495), (65, 427497), (91, 305355), (105, 264641), (195, 142499), (273, 101785), (455, 61071), (1365, 20357)]