61321569

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 89210880

約数和(自身を除く): 27889311

約数列:

[1, 3, 19, 43, 57, 127, 129, 197, 381, 591, 817, 2413, 2451, 3743, 5461, 7239, 8471, 11229, 16383, 25019, 25413, 75057, 103759, 160949, 311277, 475361, 482847, 1075817, 1426083, 3227451, 20440523, 61321569]

約数ペア:

[(1, 61321569), (3, 20440523), (19, 3227451), (43, 1426083), (57, 1075817), (127, 482847), (129, 475361), (197, 311277), (381, 160949), (591, 103759), (817, 75057), (2413, 25413), (2451, 25019), (3743, 16383), (5461, 11229), (7239, 8471)]