208516413

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61673}}^1$

素因数の和:61713

約数の個数: 24

約数和(自身を含む): 337480128

約数和(自身を除く): 128963715

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 61673, 185019, 431711, 1295133, 1418479, 3021977, 4255437, 9065931, 9929353, 29788059, 69505471, 208516413]

約数ペア:

[(1, 208516413), (3, 69505471), (7, 29788059), (21, 9929353), (23, 9065931), (49, 4255437), (69, 3021977), (147, 1418479), (161, 1295133), (483, 431711), (1127, 185019), (3381, 61673)]