87892131

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 126950400

約数和(自身を除く): 39058269

約数列:

[1, 3, 23, 37, 69, 111, 173, 199, 519, 597, 851, 2553, 3979, 4577, 6401, 7363, 11937, 13731, 19203, 22089, 34427, 103281, 147223, 169349, 441669, 508047, 791821, 1273799, 2375463, 3821397, 29297377, 87892131]

約数ペア:

[(1, 87892131), (3, 29297377), (23, 3821397), (37, 2375463), (69, 1273799), (111, 791821), (173, 508047), (199, 441669), (519, 169349), (597, 147223), (851, 103281), (2553, 34427), (3979, 22089), (4577, 19203), (6401, 13731), (7363, 11937)]