28847013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19991}}^1$

素因数の和:20044

約数の個数: 16

約数和(自身を含む): 42542976

約数和(自身を除く): 13695963

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19991, 59973, 259883, 739667, 779649, 2219001, 9615671, 28847013]

約数ペア:

[(1, 28847013), (3, 9615671), (13, 2219001), (37, 779649), (39, 739667), (111, 259883), (481, 59973), (1443, 19991)]