161315967

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 227392000

約数和(自身を除く): 66076033

約数列:

[1, 3, 37, 67, 109, 111, 199, 201, 327, 597, 2479, 4033, 7303, 7363, 7437, 12099, 13333, 21691, 21909, 22089, 39999, 65073, 270211, 493321, 802567, 810633, 1453297, 1479963, 2407701, 4359891, 53771989, 161315967]

約数ペア:

[(1, 161315967), (3, 53771989), (37, 4359891), (67, 2407701), (109, 1479963), (111, 1453297), (199, 810633), (201, 802567), (327, 493321), (597, 270211), (2479, 65073), (4033, 39999), (7303, 22089), (7363, 21909), (7437, 21691), (12099, 13333)]