81893133

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18839}}^1$

素因数の和:18878

約数の個数: 32

約数和(自身を含む): 144691200

約数和(自身を除く): 62798067

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 18839, 56517, 131873, 169551, 395619, 433297, 508653, 1186857, 1299891, 3033079, 3560571, 3899673, 9099237, 11699019, 27297711, 81893133]

約数ペア:

[(1, 81893133), (3, 27297711), (7, 11699019), (9, 9099237), (21, 3899673), (23, 3560571), (27, 3033079), (63, 1299891), (69, 1186857), (161, 508653), (189, 433297), (207, 395619), (483, 169551), (621, 131873), (1449, 56517), (4347, 18839)]