221922285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{49481}}^1$

素因数の和:49525

約数の個数: 32

約数和(自身を含む): 399022848

約数和(自身を除く): 177100563

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 49481, 148443, 247405, 643253, 742215, 1138063, 1929759, 3216265, 3414189, 5690315, 9648795, 14794819, 17070945, 44384457, 73974095, 221922285]

約数ペア:

[(1, 221922285), (3, 73974095), (5, 44384457), (13, 17070945), (15, 14794819), (23, 9648795), (39, 5690315), (65, 3414189), (69, 3216265), (115, 1929759), (195, 1138063), (299, 742215), (345, 643253), (897, 247405), (1495, 148443), (4485, 49481)]