207780945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{5281}}^1$

素因数の和:5393

約数の個数: 32

約数和(自身を含む): 345823104

約数和(自身を除く): 138042159

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 915, 2623, 5281, 7869, 13115, 15843, 26405, 39345, 79215, 227083, 322141, 681249, 966423, 1135415, 1610705, 3406245, 4832115, 13852063, 41556189, 69260315, 207780945]

約数ペア:

[(1, 207780945), (3, 69260315), (5, 41556189), (15, 13852063), (43, 4832115), (61, 3406245), (129, 1610705), (183, 1135415), (215, 966423), (305, 681249), (645, 322141), (915, 227083), (2623, 79215), (5281, 39345), (7869, 26405), (13115, 15843)]