309042237

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{639839}}^1$

素因数の和:639872

約数の個数: 16

約数和(自身を含む): 491397120

約数和(自身を除く): 182354883

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 639839, 1919517, 4478873, 13436619, 14716297, 44148891, 103014079, 309042237]

約数ペア:

[(1, 309042237), (3, 103014079), (7, 44148891), (21, 14716297), (23, 13436619), (69, 4478873), (161, 1919517), (483, 639839)]