27390828

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 66133760

約数和(自身を除く): 38742932

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 109, 129, 172, 218, 258, 327, 436, 487, 516, 654, 974, 1308, 1461, 1948, 2922, 4687, 5844, 9374, 14061, 18748, 20941, 28122, 41882, 53083, 56244, 62823, 83764, 106166, 125646, 159249, 212332, 251292, 318498, 636996, 2282569, 4565138, 6847707, 9130276, 13695414, 27390828]

約数ペア:

[(1, 27390828), (2, 13695414), (3, 9130276), (4, 6847707), (6, 4565138), (12, 2282569), (43, 636996), (86, 318498), (109, 251292), (129, 212332), (172, 159249), (218, 125646), (258, 106166), (327, 83764), (436, 62823), (487, 56244), (516, 53083), (654, 41882), (974, 28122), (1308, 20941), (1461, 18748), (1948, 14061), (2922, 9374), (4687, 5844)]