72728187

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{26437}}^1$

素因数の和:26578

約数の個数: 16

約数和(自身を含む): 111674112

約数和(自身を除く): 38945925

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 26437, 79311, 185059, 555177, 3463247, 10389741, 24242729, 72728187]

約数ペア:

[(1, 72728187), (3, 24242729), (7, 10389741), (21, 3463247), (131, 555177), (393, 185059), (917, 79311), (2751, 26437)]