81855018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{649643}}^1$

素因数の和:649658

約数の個数: 24

約数和(自身を含む): 202688928

約数和(自身を除く): 120833910

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 649643, 1299286, 1948929, 3897858, 4547501, 5846787, 9095002, 11693574, 13642503, 27285006, 40927509, 81855018]

約数ペア:

[(1, 81855018), (2, 40927509), (3, 27285006), (6, 13642503), (7, 11693574), (9, 9095002), (14, 5846787), (18, 4547501), (21, 3897858), (42, 1948929), (63, 1299286), (126, 649643)]