161666511

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 226913280

約数和(自身を除く): 65246769

約数列:

[1, 3, 47, 67, 109, 141, 157, 201, 327, 471, 3149, 5123, 7303, 7379, 9447, 10519, 15369, 17113, 21909, 22137, 31557, 51339, 343241, 494393, 804311, 1029723, 1146571, 1483179, 2412933, 3439713, 53888837, 161666511]

約数ペア:

[(1, 161666511), (3, 53888837), (47, 3439713), (67, 2412933), (109, 1483179), (141, 1146571), (157, 1029723), (201, 804311), (327, 494393), (471, 343241), (3149, 51339), (5123, 31557), (7303, 22137), (7379, 21909), (9447, 17113), (10519, 15369)]