206722131

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127843}}^1$

素因数の和:127871

約数の個数: 24

約数和(自身を含む): 349781184

約数和(自身を除く): 143059053

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 127843, 383529, 894901, 1406273, 2684703, 4218819, 6264307, 9843911, 18792921, 29531733, 68907377, 206722131]

約数ペア:

[(1, 206722131), (3, 68907377), (7, 29531733), (11, 18792921), (21, 9843911), (33, 6264307), (49, 4218819), (77, 2684703), (147, 1406273), (231, 894901), (539, 383529), (1617, 127843)]