81503933

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 102829824

約数和(自身を除く): 21325891

約数列:

[1, 7, 17, 37, 107, 119, 173, 259, 629, 749, 1211, 1819, 2941, 3959, 4403, 6401, 12733, 18511, 20587, 27713, 44807, 67303, 108817, 129577, 314687, 471121, 684907, 761719, 2202809, 4794349, 11643419, 81503933]

約数ペア:

[(1, 81503933), (7, 11643419), (17, 4794349), (37, 2202809), (107, 761719), (119, 684907), (173, 471121), (259, 314687), (629, 129577), (749, 108817), (1211, 67303), (1819, 44807), (2941, 27713), (3959, 20587), (4403, 18511), (6401, 12733)]