201978231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739847}}^1$

素因数の和:739870

約数の個数: 16

約数和(自身を含む): 331451904

約数和(自身を除く): 129473673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 739847, 2219541, 5178929, 9618011, 15536787, 28854033, 67326077, 201978231]

約数ペア:

[(1, 201978231), (3, 67326077), (7, 28854033), (13, 15536787), (21, 9618011), (39, 5178929), (91, 2219541), (273, 739847)]