81990006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{3881}}^1$

素因数の和:4396

約数の個数: 32

約数和(自身を含む): 187826688

約数和(自身を除く): 105836682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503, 1006, 1509, 3018, 3521, 3881, 7042, 7762, 10563, 11643, 21126, 23286, 27167, 54334, 81501, 163002, 1952143, 3904286, 5856429, 11712858, 13665001, 27330002, 40995003, 81990006]

約数ペア:

[(1, 81990006), (2, 40995003), (3, 27330002), (6, 13665001), (7, 11712858), (14, 5856429), (21, 3904286), (42, 1952143), (503, 163002), (1006, 81501), (1509, 54334), (3018, 27167), (3521, 23286), (3881, 21126), (7042, 11643), (7762, 10563)]