81341345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{13109}}^1$

素因数の和:13204

約数の個数: 16

約数和(自身を含む): 104775120

約数和(自身を除く): 23433775

約数列:

[1, 5, 17, 73, 85, 365, 1241, 6205, 13109, 65545, 222853, 956957, 1114265, 4784785, 16268269, 81341345]

約数ペア:

[(1, 81341345), (5, 16268269), (17, 4784785), (73, 1114265), (85, 956957), (365, 222853), (1241, 65545), (6205, 13109)]