81137889

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25253}}^1$

素因数の和:25286

約数の個数: 32

約数和(自身を含む): 145463040

約数和(自身を除く): 64325151

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 25253, 75759, 176771, 227277, 429301, 530313, 681831, 1287903, 1590939, 3005107, 3863709, 4772817, 9015321, 11591127, 27045963, 81137889]

約数ペア:

[(1, 81137889), (3, 27045963), (7, 11591127), (9, 9015321), (17, 4772817), (21, 3863709), (27, 3005107), (51, 1590939), (63, 1287903), (119, 681831), (153, 530313), (189, 429301), (357, 227277), (459, 176771), (1071, 75759), (3213, 25253)]