620154738

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1640621}}^1$

素因数の和:1640639

約数の個数: 32

約数和(自身を含む): 1574997120

約数和(自身を除く): 954842382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1640621, 3281242, 4921863, 9843726, 11484347, 14765589, 22968694, 29531178, 34453041, 44296767, 68906082, 88593534, 103359123, 206718246, 310077369, 620154738]

約数ペア:

[(1, 620154738), (2, 310077369), (3, 206718246), (6, 103359123), (7, 88593534), (9, 68906082), (14, 44296767), (18, 34453041), (21, 29531178), (27, 22968694), (42, 14765589), (54, 11484347), (63, 9843726), (126, 4921863), (189, 3281242), (378, 1640621)]