203909517

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{28643}}^1$

素因数の和:28769

約数の個数: 24

約数和(自身を含む): 339603264

約数和(自身を除く): 135693747

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 28643, 85929, 200501, 257787, 601503, 1804509, 3236659, 9709977, 22656613, 29129931, 67969839, 203909517]

約数ペア:

[(1, 203909517), (3, 67969839), (7, 29129931), (9, 22656613), (21, 9709977), (63, 3236659), (113, 1804509), (339, 601503), (791, 257787), (1017, 200501), (2373, 85929), (7119, 28643)]