138977391

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 216760320

約数和(自身を除く): 77782929

約数列:

[1, 3, 7, 21, 59, 177, 223, 413, 503, 669, 1239, 1509, 1561, 3521, 4683, 10563, 13157, 29677, 39471, 89031, 92099, 112169, 207739, 276297, 336507, 623217, 785183, 2355549, 6617971, 19853913, 46325797, 138977391]

約数ペア:

[(1, 138977391), (3, 46325797), (7, 19853913), (21, 6617971), (59, 2355549), (177, 785183), (223, 623217), (413, 336507), (503, 276297), (669, 207739), (1239, 112169), (1509, 92099), (1561, 89031), (3521, 39471), (4683, 29677), (10563, 13157)]