81068393

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{13903}}^1$

素因数の和:13941

約数の個数: 16

約数和(自身を含む): 100108800

約数和(自身を除く): 19040407

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 13903, 97321, 236351, 681247, 1654457, 4768729, 11581199, 81068393]

約数ペア:

[(1, 81068393), (7, 11581199), (17, 4768729), (49, 1654457), (119, 681247), (343, 236351), (833, 97321), (5831, 13903)]