221420535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{2108767}}^1$

素因数の和:2108782

約数の個数: 16

約数和(自身を含む): 404883456

約数和(自身を除く): 183462921

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 2108767, 6326301, 10543835, 14761369, 31631505, 44284107, 73806845, 221420535]

約数ペア:

[(1, 221420535), (3, 73806845), (5, 44284107), (7, 31631505), (15, 14761369), (21, 10543835), (35, 6326301), (105, 2108767)]