160959981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{811}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 264828928

約数和(自身を除く): 103868947

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 727, 811, 2181, 2433, 5089, 5677, 9451, 10543, 15267, 17031, 28353, 31629, 66157, 73801, 198471, 221403, 589597, 1768791, 4127179, 7664761, 12381537, 22994283, 53653327, 160959981]

約数ペア:

[(1, 160959981), (3, 53653327), (7, 22994283), (13, 12381537), (21, 7664761), (39, 4127179), (91, 1768791), (273, 589597), (727, 221403), (811, 198471), (2181, 73801), (2433, 66157), (5089, 31629), (5677, 28353), (9451, 17031), (10543, 15267)]