390014121

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{18443}}^1$

素因数の和:18525

約数の個数: 32

約数和(自身を含む): 637424640

約数和(自身を除く): 247410519

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 3021, 7049, 18443, 21147, 55329, 129101, 350417, 387303, 977479, 1051251, 2452919, 2932437, 6842353, 7358757, 18572101, 20527059, 55716303, 130004707, 390014121]

約数ペア:

[(1, 390014121), (3, 130004707), (7, 55716303), (19, 20527059), (21, 18572101), (53, 7358757), (57, 6842353), (133, 2932437), (159, 2452919), (371, 1051251), (399, 977479), (1007, 387303), (1113, 350417), (3021, 129101), (7049, 55329), (18443, 21147)]