211325415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3863}}^1$

素因数の和:4399

約数の個数: 32

約数和(自身を含む): 387265536

約数和(自身を除く): 175940121

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 521, 1563, 2605, 3647, 3863, 7815, 10941, 11589, 18235, 19315, 27041, 54705, 57945, 81123, 135205, 405615, 2012623, 6037869, 10063115, 14088361, 30189345, 42265083, 70441805, 211325415]

約数ペア:

[(1, 211325415), (3, 70441805), (5, 42265083), (7, 30189345), (15, 14088361), (21, 10063115), (35, 6037869), (105, 2012623), (521, 405615), (1563, 135205), (2605, 81123), (3647, 57945), (3863, 54705), (7815, 27041), (10941, 19315), (11589, 18235)]