208031187

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6991}}^1$

素因数の和:7123

約数の個数: 32

約数和(自身を含む): 344565760

約数和(自身を除く): 136534573

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 6991, 9919, 20973, 29757, 48937, 90883, 146811, 272649, 636181, 762019, 1908543, 2286057, 5334133, 9906247, 16002399, 29718741, 69343729, 208031187]

約数ペア:

[(1, 208031187), (3, 69343729), (7, 29718741), (13, 16002399), (21, 9906247), (39, 5334133), (91, 2286057), (109, 1908543), (273, 762019), (327, 636181), (763, 272649), (1417, 146811), (2289, 90883), (4251, 48937), (6991, 29757), (9919, 20973)]