51849021

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 80898048

約数和(自身を除く): 29049027

約数列:

[1, 3, 7, 21, 83, 151, 197, 249, 453, 581, 591, 1057, 1379, 1743, 3171, 4137, 12533, 16351, 29747, 37599, 49053, 87731, 89241, 114457, 208229, 263193, 343371, 624687, 2469001, 7407003, 17283007, 51849021]

約数ペア:

[(1, 51849021), (3, 17283007), (7, 7407003), (21, 2469001), (83, 624687), (151, 343371), (197, 263193), (249, 208229), (453, 114457), (581, 89241), (591, 87731), (1057, 49053), (1379, 37599), (1743, 29747), (3171, 16351), (4137, 12533)]