81513515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{14543}}^1$

素因数の和:14626

約数の個数: 16

約数和(自身を含む): 104716800

約数和(自身を除く): 23203285

約数列:

[1, 5, 19, 59, 95, 295, 1121, 5605, 14543, 72715, 276317, 858037, 1381585, 4290185, 16302703, 81513515]

約数ペア:

[(1, 81513515), (5, 16302703), (19, 4290185), (59, 1381585), (95, 858037), (295, 276317), (1121, 72715), (5605, 14543)]