81826017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1553}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 135061248

約数和(自身を除く): 53235231

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 579, 1351, 1553, 2509, 4053, 4659, 7527, 10871, 17563, 20189, 32613, 52689, 60567, 141323, 299729, 423969, 899187, 2098103, 3896477, 6294309, 11689431, 27275339, 81826017]

約数ペア:

[(1, 81826017), (3, 27275339), (7, 11689431), (13, 6294309), (21, 3896477), (39, 2098103), (91, 899187), (193, 423969), (273, 299729), (579, 141323), (1351, 60567), (1553, 52689), (2509, 32613), (4053, 20189), (4659, 17563), (7527, 10871)]