61991691

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 83670528

約数和(自身を除く): 21678837

約数列:

[1, 3, 151, 281, 453, 487, 843, 1461, 42431, 73537, 127293, 136847, 220611, 410541, 20663897, 61991691]

約数ペア:

[(1, 61991691), (3, 20663897), (151, 410541), (281, 220611), (453, 136847), (487, 127293), (843, 73537), (1461, 42431)]