221400315

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{104681}}^1$

素因数の和:104739

約数の個数: 24

約数和(自身を含む): 391929408

約数和(自身を除く): 170529093

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 104681, 314043, 523405, 942129, 1570215, 4710645, 4920007, 14760021, 24600035, 44280063, 73800105, 221400315]

約数ペア:

[(1, 221400315), (3, 73800105), (5, 44280063), (9, 24600035), (15, 14760021), (45, 4920007), (47, 4710645), (141, 1570215), (235, 942129), (423, 523405), (705, 314043), (2115, 104681)]