13081557

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 18873216

約数和(自身を除く): 5791659

約数列:

[1, 3, 19, 47, 57, 141, 257, 361, 771, 893, 1083, 2679, 4883, 12079, 14649, 16967, 36237, 50901, 92777, 229501, 278331, 688503, 4360519, 13081557]

約数ペア:

[(1, 13081557), (3, 4360519), (19, 688503), (47, 278331), (57, 229501), (141, 92777), (257, 50901), (361, 36237), (771, 16967), (893, 14649), (1083, 12079), (2679, 4883)]